Bringing the classic X-Men and the Avengers: Gamma Quest trilogy back into print in a brand-new omnibus. The X-Men--mutant protectors of a world that fears and hates them. The Avengers--Earth s Mightiest Heroes, the greatest super-team ever assembled. When the Scarlet Witch of the Avengers and Rogue of the X-Men both disappear under mysterious circumstances, each team s search leads them to more questions than answers. Desperate to recover their missing teammates, they must join forces to uncover the truth. But their efforts will bring them up against a foe with the deadliest power of all: to make them turn on each other