In this second volume in the Ultimate Series, the X-Men are captured and forced into service for the government's nefarious Weapon X program. Will they be rescued by Wolverine, or will they be forced to commit terrible acts as government agents?

With the Slaughter Squad hot on their tails, the X-Men and the Guardians of the Galaxy are going to have to find somewhere to stash this loot. The odds against them, their only option for gaining the upper hand might lie with the mysterious Black Vortex. Will the temptation of the Black Vortex's unknown power be too much for this band of misfits?

"Wolverine takes on the savage Hulk - but whose side are Havok and X-Factor on? And what does the gamma-powered Leader have to do with it all? Meanwhile, Beast and Gambit face the evil machinations of Mister Sinister...with a little help from Spider-Man! Things take an occult turn for Cyclops, courtesy of the demonic N'Garai and the Dweller-in-Darkness! And when Magneto and his Brotherhood commit an act of war, the X-Men must respond - but as the...

"Abigail Brand, director of S.W.O.R.D., has been in some sticky situations, and she isn't the type who asks for help to get out of them. But when you're careening toward Earth in the cockpit of a damaged spaceship after being attacked on an exploding asteroid 7.5 million miles from Earth-- it's time to call the X-Men. They might not have much of a plan, or much of a chance, but that's certainly never stopped them before. Watch as the X-Men go up against...

The final onslaught is on! Mutantdom's mightiest telepaths are forced to turn on one of their own, because Professor X's evil side won't stand for any more repression! The world's greatest hero teams gird for battle against one of their deadliest enemies, and when the smoke clears, not only will some of them not still be standing, they won't be there at all! The X-Men are left to take the blame for over a dozen dynamic disappearances, leading the...

"Welcome to the X-Men's first year -hope you survive the experience! Professor Charles Xavier has recruited five of the most powerful mutants he's ever seen to save a world that hates and fears them. But there's only one problem: They're teenagers who have to survive hormones and uncontrollable superpowers, all while fighting for their very lives. So right now's the perfect time for Magneto and the Brotherhood of Evil Mutants - along with the Sentinels,...