Humanity now faces mutants, a mysterious sub-species that is gifted with strange and frightening powers. Hidden among the population. they are feared and hated by their human cousins. As rumors and urban myths about their existence spread across the world, the US government creates its own initiative to deal with this threat: the Sentinel Project. Meanwhile two men wage a secret war for the hearts and minds of young mutants everywhere. Charles Xavier has recruited a cadre of students including Cyclops, Jean Grey and Beast, that call themselves the X-Men. But there are others out there, living in fear, struggling to deal with what they are: Ororo Munroe, Bobby Drake and another, more dangerous mutant named Logan. Simultaneously, the terrorist known only as Magneto has assembled The Brotherhood, a militant group dedicated to the overthrow of human authority. A war is on the horizon and these amazing young men and women will decide the future of all humanity! Collects Ultimate X-Men (2000) #1-6.

The X-Men and allies try to deal with Mister Sinister and his master Apocalypse at the same time as a dangerous mutant-enhancing drug called Banshee.

The world tour is over. It ended abruptly and tragically, with deaths and hard decisions. After returning home to Westchester, the X-Men attempt to continue on, bringing normalcy back to their lives as best they can, opening the school to students once more. However, just as everything settles back to the mundane, Jean Grey's life shifts towards the bizarre. Her mental barriers are starting to erode, as she begins to see things... like a giant bird composed of flames. Ultimate X-Men (2000) #21-25.

The series that catapulted Marvel's mega-popular mutant heroes into the 21st century! In ULTIMATE X-MEN, Mark Millar and Adam Kubert -- joined by a standout lineup of blockbuster artists -- reinvented Cyclops, Jean Grey, Wolverine and more for a new era. Now, at last, their entire world-building run is collected in Omnibus form! Led by Charles Xavier, the X-Men are teens trained to use their genetic gifts to keep the peace between mutants and humans! But they are not ready for what is coming! Meet the Ultimate Universe's versions of Proteus, the deadly son of Professor X...the Phoenix, Jean's dark alter ego...and the master of magnetism, Magneto! See the X-Men go to war with their world's equivalent of the Avengers, the Ultimates! And get to know your favorite mutants all over again! COLLECTING: Ultimate X-Men (2001) 1-33, 1/2; Ultimate War (2002) 1-4

XAVIER'S SCHOOL UNDER SIEGE, THE X-MEN....ABDUCTED! Now pawns of the mysterious Weapon X program, the mutant heroes' only hope lies with the one team member to evade capture: the enigmatic, unproven Wolverine ! Can Logan go it alone against the shadow-ops organization that transformed him into one of the world's most lethal killing machines? To succeed, he must survive an adrenaline-charged, adamantium-laced brawl with the savage Sabretooth -- a predator every bit his equal! The Second ULTIMATE X-MEN story arc, "Return to Weapon X" features the ultimate universe debuts of Nightcrawler, Juggernaut, Rogue and NIck Fury --- and the return of the Brotherhood of Mutants! Ultimate X-Men (2000) #7-12.

Enter the U-Men! When envious humans begin dissecting mutants and grafting their body parts, it's up to the X-Men to stop them! But things at home aren't much better as Cyclops and Jean Grey can't stop fighting, Jean's powers flare out of control, and Professor X's mind is trapped in the body of his comatose evil twin! Introducing the new Angel, and the X-Men have never seen anything like her!

Collects Ultimate X-Men #75-80. If one man is capable of disrupting the carefully controlled world of Charles Xavier's School For Gifted Youngsters, it's this one: Ultimate Cable! He comes from a tragic future to wreak havoc on mutantkind today, and his sinister secrets will shock the X-Men to their very core. It's a huge event in Ultimate X-Men history. Get in on the ground floor. You've been warned. Plus: Delve into the secret life of the X-Men's rivals, Emma Frost's Academy of Tomorrow, in a special bonus story!

Collects Ultimate X-Men #81-86. The X-Men are no more. Long live the X-Men! The man from the future, Bishop, completes his own team of mutants, ready to carry on the legacy of Charles Xavier. And their first task is to stop the attacks of the deadly Sentinels against their kind. And you'll never guess who's behind the attacks... or who the new Ultimate X-Men are!

Collects Ultimate X-Men #94-97. Regrouping after the devastating battle against Apocalypse, the X-Men encounter a new adversary which seems unstoppable. To fight it, the young mutants must ask themselves: How far are they willing to go and what are they willing to take to raise their game? The answer will test the bonds and shake the team to its very core.