As Magneto's Acolytes amp up their attacks on Homo sapiens everywhere, the X-teams join forces in an attempt to put an end to their mad crusade against humanity. And as a mysterious disease begins creeping through the mutant community, claiming the lives of hated foe and dear friend alike, which X-Man will buckle under the strain? Things culminate in a shocking attack on Wolverine - and a showdown between Professor X and Magneto that has to be seen to be believed! COLLECTING: Uncanny X-Men 298-305, 315, Annual 17; X-Factor 87-92; X-Men Unlimited 1-2; X-Force 25; X-Men 25; Wolverine 75; Excalibur 71