Jax-Ur leads an invasion of the province of Nol-Yan which becomes the catalyst of Krypton's entry in a long, violent warring period known as the Age of Wars.
Von-El, the founder of the House of El, a telempath along with eleven other telempathic Kryptonians, known as the Twelve Wise Ones, band together in peacefully ending the Age of Wars and banishing Jax-Ur from Krypton. The twelve marked the end of the conflicting period and to all warfare between the people of Krypton. To demonstrate the everlasting peace, Von-El threw the Sword of El into space, which would eventually land on Krypton's sister planet Argo, and his action becomes entrenched in Kryptonian legend. The Twelve go on to form Krypton's ruling body, the Council of Twelve, which ensures that all of Krypton had peace and prosperity for all time.
The Kryptonians encounter the Kree and the Skrull Empires. After attempts to mediate the Kree-Skrull War failed, the Kryptonians recall their people to Krypton and shut down the World-Gate network to enter a state of isolationism. The Kree and Skrulls declare war on Krypton to force its people to join either side.
Battlestation Sentrius is constructed and decimates millions of Kree and Skrull vessels. The Skrulls are forced to give up and leave the Xerius Galaxy, but the Kree continue to attempt to bypass Sentrius for the next several centuries without any success.
The mutant En Sabah Nur comes to power in Ancient Egypt after overthrowing the pharaoh Rama-Tut. He rules his kingdom with an iron fist until being overthrown by a group of mages and is imprisoned in the Great Sphinx. His advisers Than'al and Ozymandias escape capture and plot to free their master through the ages.
The Kree and the Skrulls engage in a fierce space battle over Earth. Kryptonian explorer Kon-Lir is caught in the midst of the battlefield. The presence of the Kryptonian ship causes both Kree and Skrull forces to cease their hostilities and immediately attack Kon-Lir's Speeder. Kon-Lir inflicts great deal of damage on his enemies and forces them to leave Earth, but his ship is greatly damaged.
The Kree's experimented humans and primates rebel against their oppressors. The humans become the Inhumans and construct Attilan. The intelligent gorillas take over a Kree outpost in Africa and rename it Gorilla City.
Kon-Lir's ship crashes into the Atlantic Ocean and comes into a misunderstanding conflict with the Atlanteans. Unable to control the powers given by Earth's yellow sun, Kon-Lir unwillingly instills them with great fear and terror, causing that he and his species to be referred by the Atlanteans to as the "Travelers".
Kon-Lir remains marooned on Earth for over 80 years. He lives his life in England, where he falls in love and marries a human woman.
Kon-Lir encounters the immortal mutant Selene in Nova Roma and incites a rebellion against the self-proclaimed goddess. Selene swears a hated vengeance against Kon-Lir and Kryptonians in general.
Kon-Lir is found by a Kryptonian extraction team and is taken back to Krypton.
The Chitauri finish completing an active nuclear missile for the remnants of Nazi Germany. Captain America battles Herr Kleiser. The Chitauri missile is launched at the United States; Captain America shorts its circuit panel and causes it to explode prematurely, destroying a Chitauri ship in the process. Captain America falls into the cold Atlantic Ocean, where he is frozen and left into a comatose state.
Nearly all life on Mars is eradicated by the Chitauri. The Chitauri fleet are nearly wiped out by the Martians' orbital defense system and are temporarily repelled from the Solar System.
J'onn J'onzz, Supreme Commander of the Planetary Vanguard and believed to be the last Martian, leaves Mars for Earth to prevent Chitauri infiltration units from landing on the planet. Though he succeeds, his vessel crash lands outside of Roswell, New Mexico. His vessel is found by the United States military and is stored in a S.H.I.E.L.D. facility for over 50 years.
General Dru-Zod and Jor-El lead a small team in traveling to Sentrius and positioning it to destroy the entire Shi'ar fleet. The devastation led to Shi'ar Emperor Kral'Nor to be overthrown and replaced by his daughter Lilandra Neramani. Kral'Nor and his loyal family and followers are banished and the Shi'ar Republic is established, which begins to mediate peace with Krypton.
Jor-El constructs a prototype Trans-Warp vessel. Krypto is used as a test subject for the vessel and achieves Trans-Warp jump, but only to be caught in a a spatial rift and becomes lost in space.
Emperor Kral'Nor and his family meet at Krypton's capital Kryptonopolis to outline the peace terms between Krypton and the Shi'ar. During the peace signing, General Zod humiliates the fallen Shi'ar Emperor which provokes Kral'Nor's son D'Ken to lash out at Zod. D'Ken is physically assaulted by Zod and swears to have his revenge on Krypton and its people.
Dru-Zod is accused of war crimes against the Shi'ar and is sentenced to be banished into the Phantom Zone. The planet Krypton is destroyed in a catastrophic explosion. Brainiac downloads its data into a Kryptonian satellite, and promptly leaves orbit before Krypton's destruction. Only Kal-El, the son Jor-El and Lara-El, survives and escapes the doomed planet and heads for Earth.
A meteor shower caused from Krypton passes through Earth's atmosphere, over Kansas. Some of the meteors land in the outskirts of Smallville, Kansas, where Kal-El is found and adopted by farming couple Jonathan and Martha Kent, who name him Clark Kent. Irene Adler and Charles Xavier detect Kal-El prior to landfall.
19-year-old Kal-El finishes his training in the Fortress of Solitude. Professor Xavier detects Kal-El and travels to the Fortress with Jean Grey, Scott Summers, Wolverine, and Storm to meet him. Kal-El clarifies to Xavier and his students of his alien origins and agrees to join the Xavier Institute while operating discreetly as a superhero.
Clark Kent enrolls in Bayville University. Clark's superhero existence briefly catches the public's attention, and the news press start calling him "Superman".
Erik Lensherr, known as Magneto, observes Clark as Superman while saving lives at a dam caused by Magneto.
Kurt Wagner is enrolled in the Xavier Institute. Toad is recruited by Mystique to the Brotherhood.
Superman meets the Fantastic Four for the first time while repairing the International Space Station.
Superman, the X-Men, and the Fantastic Four rescue Nightcrawler and Forge from the Middleverse.
Mystique frees Cain Marko, the Juggernaut, who seek vengeance on his brother Charles Xavier. Superman, with combined help from the X-Men and the Brotherhood, defeats Juggernaut who is then returned to S.H.I.E.L.D.'s custody.
Superman takes a manned-space flight to Mars and Jupiter on a Trans-Warp ship, dubbed the Krypton.
Wolverine and Sabretooth are captured and turned into mutant-slayers by a scientist working for the Friends of Humanity. Wolverine and Sabretooth are restored of their conditioning due to the efforts of Shadowcat and Nightcrawler.
Brainiac detects Trans-Warp signatures coming from Earth. Realizing Kal-El's survival, Brainiac travels slowly towards Earth to ensure the elimination of the last Kryptonian.
Superman meets Magneto for the first time. Magneto reveals the prophecy foretold by Irene Adler revolving Superman's destined role to unite mutant kind while misinterpret it as mutant supremacy. Superman is brought to Asteroid M where he is exposed to kryptonite. Magneto intends to wipe out humanity by manipulating a passing meteor shower and bombard Earth. The X-Men and Gambit are captured by the Brotherhood and are brought to Asteroid M.
Avalanche learns of Magneto's genocide and betrays the Brotherhood and frees Superman and the X-Men. Asteroid M is destroyed. Superman destroys the meteor shower and saves the Earth in the process.
The Brotherhood led by Quicksilver interrupts Bayville's girl soccer game and reveal the public their and the X-Men's identities as mutants. Superman and the X-Men defeat the Brotherhood. Professor Xavier erases the memories of every witness to forgetting everything of what had occurred.
Siryn disrupts Superman's distress calls through his UHF hearing and confronting the Man of Steel for the first time. However, Superman succeed in repelling Siryn's powers with a Sonic Wave-Neutralizer.
Jean Grey shows signs of losing control of her alternate persona, the Phoenix.
The Phoenix takes control over Jean Grey. Charles Xavier, Scott Summers and Superman help in containing the Phoenix persona.
Siryn enlist the aid of Black Cat in stealing the Stone of Arkanas from the New York Museum. Superman, Spider-Man, and the X-Men foil the theft and the Stone of Arkanas is destroyed.
Lex Luthor arrives at the Xavier Institute and reveals his knowledge of the existence of mutants to Superman and the X-Men based on video recordings of their battle with the Brotherhood a month ago. Lex agrees to keep his knowledge a secret and becomes the X-Men's mutual ally.
Clark Kent enters into a relationship with Alison Blaire.
Hank McCoy is slowly losing control of his mutation.
Hank McCoy loses control of his mutation and transforms into the Beast. He attacks Principal Edward Kelly, but is saved by Superman. Superman, the X-Men, and the Fantastic Four tracks down Beast and calm him down while coming into conflict with the Friends of Humanity for the first time.
Scott Summers visits his brother Alex in Hawaii. Alex gets caught in a riptide while surfing, forcing Scott to rescue him. The Summers then find themselves on an island that is being excavated by Doctor Doom and are captured. Superman and the other available members of the X-Men arrives on the island where it is learned that Doom have discovered an Orb of Agamotto. Doom offers the Orb to Superman in allowing him to use its mystical powers to teleport him to Krypton while not realizing the planet had been destroyed. Superman shatters the Orb and informs Doom of being the last Kryptonian.
Warren Worthington III, a winged mutant, begins his vigilantism as the Angel.
The Bayville Sirens interfere the Kingpin's operations in Bayville. Deadpool and Bullseye are contracted in protecting the crime lord's latest arm shipment.
Superman, Dazzler, Cyclops, Nightcrawler, and Daredevil battled and defeated Deadpool and Bullseye. The Bayville Sirens are disbanded.
Nick Fury enlists Superman and the X-Men in destroying a stolen device once used to create the super-soldier Captain America in Operation Rebirth by Magneto. Fury also forewarns Dr. Bruce Banner is captured by Magneto to repair the device and fear the likelihood Magneto will unleash the Hulk.
Magneto succeeded in using the Rebirth device on himself. The Rebirth device is soon destroyed. Dr. Banner turns into the Hulk and battles the X-Men and the Avengers before being subdue by Superman.
Mesmero works with Baron Mordo in stealing three rings that forms the first key to Apocalypse's tomb.
Doctor Doom and Siryn discuss about Kryptonite and its use as a weapon, which is secretly provided to the Friends of Humanity.
Krypto arrives to Earth and is reunited with Superman.
Ronan the Accuser abducts the X-Men and brings them to face "trial" for harboring Superman. Green Lantern John Stewart helps Superman in saving the X-Men. Superman enters a trial of combat with Ronan and wins his appeal. The Kree Supreme Intelligence grants full pardons on Superman and his companions.
Wolverine and Sabretooth are captured by the Friends of Humanity and used as test subjects for the Sentinel Project.
Lex Luthor discovers the Sentinel Project and its secret funding from Doctor Doom and Sebastian Shaw.
The X-Men and Superman fights the Acolytes, the Brotherhood, and Doctor Doom. The battle has all been a distraction in having the F.O.H. sending their Sentinels to attack the X-Men and abducting Professor Xavier. The battle exposed Superman and X-Men to the public.
The Xavier Institute is evacuated and its students sought refuge at the Fortress of Solitude.
The Avengers, Fantastic Four, Spider-Man, the Flash, Aquaman, Green Lantern, Hawkgirl, Wonder Woman, and Batman helped the X-Men in stopping the F.O.H. in their S.H.I.E.L.D. facility in New Mexico from launching an arsenal of Sentinels at Genosha. J'onn J'onzz is freed and names himself as the Martian Manhunter.
The Sentinels are destroyed from threatening Genosha. However, Brainiac Mark VI arrives and assimilates the remains of the Sentinels into a large, single mechanical monstrosity. Brainiac Mark VI begins hacking and disabling Earth's computer systems and prepares to destroy the planet. Superman, the Flash, Aquaman, Green Lantern, Hawkgirl, Wonder Woman, Batman, and the Martian Manhunter destroys Brainiac Mark VI.
The band of heroes join up with the X-Men in defeating Juggernaut. Thereafter, the eight heroes decide to work together as a cohesive team to face world-challenging threats and the wake of mutantkind's exposure known as the Justice League.
The newly formed Justice League convene at the remains of the Xavier Institute.
Superman arranges an exclusive interview with the Daily Bugle and reveals his Kryptonian origins, the formation of the Justice League, and urges the support of human-mutant coexistence.
The Justice League with financial support from Lex Luthor help the X-Men in rebuilding the Xavier Institute.
Magneto and his Acolytes discover the Fortress of Solitude.
Superman, Green Lantern John Stewart, J'onn J'onzz, Gambit, Mystique, Siryn, Rogue, and the Fantastic Four travel to Mars to rescue J'onn J'onzz's surviving family. They prevent a renewed Chitauri invasion.
Warworld arrives to Earth. Mongul abducts Superman, Cyclops, Blackbolt, and Lobo (who was in the midst of capturing Superman). Mongul is subsequently overthrown and Warworld is brought under a justly rule.
The Skrulls, who bargained Mongul for Superman, plot to annex Earth and bringing Superman's Kryptonian technology under their control by dispatching Skrull infiltrators to Earth.
The Green Goblin frees John Corben and begins his campaign of controlling New York City's criminal underworld.
Spider-Man's secret identity is discovered by the Green Goblin and is blackmailed into joining his nascent criminal organization and freeing the Sinister Six.
The Green Goblin and his organization meets New York's prominent gangs in which the negotiations deteriorated. The meeting is raided by the Justice League and X-Men. Most of the gangs are captured. The Green Goblin is apprehended and his memory on Spider-Man's identity is wiped out by the Martian Manhunter.
Members of the Justice League and the X-Men foil Deadpool's attempted assassination on the Kaznian royal family.
Superman, Powergirl, and the X-Men travel to Argo in response to an ancient distress message and rescuing Kara Zor-El. The Sword of El is recovered. With assistance from the Starjammers, they prevent the Imperial Shi'ar led by D'Ken and Caly'See from salvaging Kryptonian technology by reactivating Argo's dormant Eradicator. The heroes return to Earth, but, unknown to them, bringing along the Phantom Zone Prison Cell containing Dru-Zod. The prison cell is soon recovered by Project Cadmus.
Alison Blaire is kidnapped by HYDRA and reunited with her mother, Madame Hydra. Alison leaves the Xavier Institute.
Dr. Mary Storm, working for Project Cadmus, inadvertently destabilize the prison cell containing General Zod, who is later freed by Superman. The Justice League and the X-Men, working alongside Zod, prevents the Phantom Zone instability from engulfing Earth and in the process exposing Project Cadmus' existence. Zod reconcile his new residence on Earth while conspiring to taking over the planet.
The Skrull, Kree, and Shi'ar Empires threatens to invade Earth. Superman and General Zod begin their search for Battlestation Sentrius.
Mark V, Polaris, Havok, and Phantom encounter Brainiac. Mark V is rebuilt as Brainiac 5 and destroyed Brainiac's physical body and vessel. Though believed to be destroyed, Brainiac survived.
Superman and Zod's group discover Sentrius and helping to peacefully ending hostilities between the natives of the Nirion System.
The combined fleets of the Skrull, Kree, and Imperial Shi'ar arrive in the Solar System and invades Earth. Earth's heroes, former enemies, and military forces with aid from the Galactic Confederacy and the Green Lantern Corps defends the planet. During the midst of the invasion, Superman and General Zod brought Sentrius within Earth's orbit and subduing the invasion fleets and forcing their respective leaders into unconditional surrender.
In the aftermath of the invasion, the United Nations focus on the status of Battlestation Sentrius and propose a international committee to oversee the weapon. However, General Zod bluntly refused to see it fall under human hands and claiming that it is under "Kryptonian military property." The Justice League and X-Men soon discover about Zod's previous war crimes from Lilandra Neramani and Brainiac 5 in which Superman confronted Zod on Sentrius. Zod admitted and revealed his plans to conquer Earth with the might of Sentrius. With Sentrius under his control, Zod rejects Superman from the station and declare war on Earth after nuclear missiles launched from North Korea futilely attacked Sentrius.
Zod defeats Earth's known heroes and villains, and bringing Fort Rozz from the Phantom Zone.
After taking advantage of the heroes' war against General Zod, Ozymandias and Sinister unlocked the second door to Apocalypse's tomb.
In response to a passionate speech and proposal from T'Challa of Wakanda, the United Nations General Assembly passes the return control of the Sentrius Battlestation to the Justice League, on the condition that its future deployments and day-to-day operations be regulated by an international oversight board, consisting of five delegates from this body – including one from the Security Council – and one representative from the Justice League. In the event of another such attack, the League may deploy Sentrius as necessary to repel the invaders, and stand down once the attack is repelled, while also submitting a full report of the deployment to the board. Deployments against any terrestrial-based threats will require a unanimous vote of approval from the board, and the extent of the deployment will be approved at that time.
While approaching the Kree Empire Border, Ronan's cruiser is boarded by the New Gods of Apokolips. He is taken prisoner by Darkseid, who demands information from the disgraced accuser.
The Daily Planet is brought back into publication by J. Jonah Jameson.
Apocalypse is freed from his imprisonment and battles the Justice League and the X-Men for the first time. The battle remains unresolved after Apocalypse and his followers retreated to the Great Sphinx, which is then shielded under an impenetrable force-field.
The Dheronians attack Metropolis in an effort to finding and eliminating the last Kryptonians. The Justice League, X-Men, and Avengers defeat the Dheronians and forcing them to retreat. Tyr'ell commits suicide and is succeeded by his son Tyr'uk.