1. Enter now: The Age of Apocalypse The X-Ternals escape some of Apocalypse's men and meet up with their leader, Gambit, who has joined up with Magneto in a plan to steal the M'Kraan Crystal. They infiltrate a base of Apocalypse and use Lila Cheney's suppressed mutant powers to travel to the Shi'ar Galaxy. Jubilee has stolen some medical supplies and is now pursued by the Infinites, the watchdogs of Apocalypse. She wonders if she's chosen the right side of this fight; some mutants choose to survive as the chosen and follow Apocalypse while others, like herself, get pulled into a resistance, like those staged by Gambit and his team of X-Ternals. Unable to get away from the Infinites, Jubilee is rescued by Sunspot and Guido. The men make quick work of the Infinites and then the trio sneaks to their rebel base, avoiding the many subtle detections of Apocalypse. Once at the base, the medical supplies are distributed by a liaison between mutants and humans, the non-mutant Lila Cheney. The X-Ternals are told that their leader is below. They head down but find instead Erik Lehnsherr, Magneto, the leader of the X-Men. Feeling that Magneto has done something to their leader, the team prepares for a fight. That leader, however, arrives from the shadows. Gambit explains that he has asked Magneto to accompany him since Magneto has a plan that requires Gambit's band of thieves and their expertise in heisting things, like the biggest jewel in all the universe. In the Fedayeen Station, the beaten Infinites report to their leader, an ambitious mutant named Julio Esteban Richter (Rictor). He is displeased with their failure because it makes him look bad and unworthy of a promotion. He charges his men to work harder so as to impress the visiting Four Horsemen of Apocalypse. The X-ternals follow Magneto through the old Morlock Tunnels until they reach a high security door.
2. WHERE NO ETERNAL HAS GONE BEFORE!
Lila Cheney transports the X-Ternals to another galaxy, where they face the Imperial Guard. The Starjammers beam the X-Ternals away from the planet they are on, as it is threatened with destruction by the M'Kraan Crystal.
3. The X-Ternals finally get a piece of the M'Kraan Crystal. In order to do so, however, Gambit must leave something behind, and it's not just one of his teammates.Synopsis The Starjammers take Gambit’s X-Ternals to the heart of the Shi’ar Imporium. The planet is surrounded by a fleet protecting the planet, as well as a newly introduced fusion-energy absorption system (designed to attempt to contain the ever expanding pulses of the M’Kraan Crystal). The Starjammers plan to engage the fleet while Gambit’s team, accompanied by Deathbird, beam to the planet below in order to steal the crystal from Deathbird’s deranged brother, the emperor D’Ken. Once on the planet, the six meet with Imperium troopers. Jubilee, Guido, and Sunspot engage the troops while Gambit, Lila, and Deathbird head off to find and steal the crystal. Jubilee is concerned about her squad’s ability to stay alive; Sunspot confirms that they should be willing to die for this cause. Gambit’s squad finds that the D’Ken had employed too many troops to the ground fight. There is very little resistance as they make their way to the three-story tall crystal. Wondering how they’ll steal the whole crystal, Deathbird explains that doing so won’t be necessary since a shard of the crystal could hold as much of infinity as the whole crystal. Lila doesn’t get it. Before anything can be explained further, Lila is pulled into the crystal by a blue hand. Gambit argues with Deathbird about following Lila and finally just takes the plunge. Deathbird follows. Inside the crystal, a being named Jahf introduces himself as their host while the universe is destroyed. Back at the fight, Guido expresses his concern about their chances of success. Sunspot figures it won’t matter either way since the crystal appears to be cracking even more. They experience yet another “blink” in reality and Sunspot notices that his hand turns from its charged state of black to an odd white color.
4. After Xavier: The Age of ApocalypseThe X-Ternals are back on Earth with the M'Kraan Crystal, but Rictor is still on their tale and one member has switched sides. Not only does the shard end up in peril, but so does Magneto's son.SynopsisIn the Morlock Tunnels, lovers Dazzler and Exodus find the remains of Nanny, the mobile, mechanical construct that was in charge of watching over Magneto's son, Charles. They find the boy is missing. Elsewhere, Apocalypse interrogates Rictor about recent events in the Morlock Tunnels while a child sleeps in the background.Those events: Gambit and Lila run through the tunnels in an attempt to get away from Rictor. They are unaware that Rictor has a plan that enables him to track Guido and Jubilee, the others in the X-Ternals (Sunspot had sacrificed himself in the last issue). He is bound and determined to bring Gambit to the feet of Apocalypse. At this point in Rictor's narration to Apocalypse, Apocalypse asks if Rictor ever contemplated being set up since Jubilee was the one with the shard from the M'Kraan Crystal. Rictor sees his lust for bringing in Gambit could have destroyed everything Apocalypse had worked for.Apocalypse begins to reveal a bit more of the story: Jubilee is on the run from Guido. She has no idea what's going on, only that he no longer appears to be an X-Ternal. Oddly enough, she not only carries the shard of the M'Kraan Crystal but also Charles Lehnsherr, Magneto's son. She reflects on what the plan had been: She and Guido take the shard to Magneto at the mansion in Westchester. As they were on their way, they meet the Nanny, the protector of young Charles. For some reason, Guido smashed the Nanny and turned on Jubilee. She'd been running since and, since Guido was the one who knew where Magneto was, she's running blind with a crying boy. Guido causes a flood which makes Jubilee have to stop and wait it out. By then, Guido has caught up.