"My Brother, My Enemy!" Story by Chris Claremont. Art by Dave Cockrum and Sam Grainger. Cyclops and the all new X-Men suddenly find themselves facing off with former allies Havok and Polaris. Who is the mysterious villain that plots and schemes from the shadows? Who is this man that pits brother against brother? Plus, what do Charles Xavier's recurring prophetic nightmares mean for the future of his students? NOTE: 1st appearance of Lilandra (face & name unrevealed). Her face is seen for the 1st time in #102 and her name is revealed in #105.