Three of the 21st centurys most celebrated writers propel the Ultimate X-Men to ever greater heights!The X-Men must ally with Spider-Man and Daredevil to help Wolverine fight a secret from his mysterious past. Then, the U.S. government enters the mutant training business and Emma Frost is in charge of the new class! But the shocking death of one of their own leaves the remaining X-Men struggling to deal with the loss and when Mr. Sinister arrives, he plans to give them even more to mourn! Gambit returns, Longshot is the lucky survivor of a murderous mutant reality show, and Storm searches for Wolverine! Plus, is Ultimate Juggernaut ultimately unstoppable? Who is Magician? And is Jean Grey really the cosmic entity called Phoenix?!