The Uncanny X-Men
Wolverine fights through Sabretooth to bring the Healer back to the mansion for the wounded. Nightcrawler, Kitty, and Colossus are critically injured as the Morlock tunnels are destroyed.
Collects X-Factor #9-17 and material from 12 other series. The complete Mutant Massacre - Marauders slaughter the Morlocks as the X-teams respond.
Collects The X-Men #53-55, The Uncanny X-Men #186, 198, 205, 212, 214, 216, The New Mutants #36, 40-48, Deadpool #57-60, Wolverine #167. Storm's iconic Lifedeath stories by Claremont and Barry Windsor-Smith, plus related tales spanning decades.
Collects Uncanny X-Men #210-213, X-Factor #9-11, New Mutants #46, Thor #373-374, Power Pack #27
Collects X-Factor #9-11; The Uncanny X-Men #210-214; The New Mutants #46; X-Men: Mutant Massacre.
Collects X-Factor #9-11, The Uncanny X-Men #210-214, The New Mutants #46, Sabretooth Classic #6-11, X-Men Mutant Massacre, X-Men: Mutant Massacre. The 1986 crossover where the Marauders slaughter the Morlocks in the tunnels beneath New York.
Wolverine vs. Sabretooth
The classic Mutant Massacre showdown — Wolverine vs. Sabretooth in the Morlock tunnels. Their first major on-panel fight, brutal and personal. Establishes that Sabretooth is one of the very few people who can match Logan blow for blow