X-Factor
X-Factor fights Apocalypse and his Horsemen across Manhattan and in orbit, struggling to end the rampage. Power Pack joins the battle.
Collects X-Factor #24-26, The New Mutants #59-61, The Uncanny X-Men #225-227. The landmark 1988 crossover across all three X-books — sacrifice, transformation, and loss.
Collects The X-Men #49-53, X-Factor #15, 24, 25 and The Uncanny X-Men #256-258. Mutant milestones including Lorna Dane origin, early X-Factor, and Psylocke Siege Perilous transformation.
Collects X-Factor #18-26, The Uncanny X-Men #220-227 and The New Mutants #55-61. The complete Fall of the Mutants - Apocalypse, the X-Men sacrifice in Dallas, and the Ani-Mator.
Collects X-Factor #24-26 and material from 3 other series. The three-front crossover that changed the X-Men, X-Factor, and New Mutants.
Collects X-Factor #18-26, Uncanny X-Men #220-227, and New Mutants #55-61. The Fall of the Mutants -- three X-teams face separate crises that change them forever.
Collects X-Factor #1-26, X-Factor Annual #1-2, Classic X-Men #8, 43. The original five X-Men reunite, featuring Angel's transformation into Archangel.
Collects X-Factor #21-36, X-Factor Annual #3. Peter Davids landmark X-Factor run with the government-sponsored team in full swing.