Apocalypse has been destroyed; the end of the world has been averted. Or has it? Sinister has just unleashed a massive force unseen, unrivaled, and unbeatable. Magneto is now the head of the Bureau of Mutant Affairs, with the X-Men they´ll find all former Apocalypse´s minions. Magneto and the X-Men's only hope lies in tracking down a retired Weapon X!