X-Men vs. X-Men! After their attack on Alpha Flight, Colossus and his team are wanted fugitives! Worse, they've become addicted to the insidious drug known as Banshee! Now it's up to the other X-Men to take them down. Yes, it's mutant vs. mutant! When the X-Men go to war with each other, who wins? Plus, the startling revelation of Jean Grey! Where did she go after defeating Apocalypse? Find out here!