Ever since Marvel published Secret Wars back in the early 80’s both Marvel and DC comics have made a habit, for better or for worse, of crafting giant stories that involve multiple titles and characters. The kings of this trend for a long time were the X-Men. Nearly every year all of the X-Men titles would cross over with each other, and most of the time there were more than a few titles. A lot of really big developments have happened in these events/crossovers, which I will discuss as I get to them. First up, I will be looking at the X-Men and their crossovers, starting with….
X-Men: The Mutant Massacre
Took Place In: Uncanny X-Men 210-213, New Mutants 46, X-Factor 9-11, Thor 373-374, Power Pack 27
Written By: Chris Claremont (X-Men, New Mutants), Louis Simonson (X-Factor, Power Pack), Walter Simonson (Thor)
Art By: John Romita Jr, Brett Blevins, Rick Leonardi, Alan Davis (X-Men), Jackson Guice (New Mutants), John Bogdanove (Power Pack), Walter Simonson (X-Factor), Sal Buscema (Thor)
Featuring: Thor, Power Pack, X-Factor (Cyclops, Phoenix, Iceman, Beast, Angel), X-Men (Storm, Wolverine, Colossus, Nightcrawler, Shadowcat, Dazzler, Longshot, Psylocke, Rogue), New Mutants (Magneto, Cannonball, Moonstar, Karma, Magik, Cypher, Warlock, Wolfsbane, Sunspot, Magma), the Marauders (Sabretooth, Arclight, Scalphunter, Vertigo, Riptide, Blockbuster, Scrambler, Prism, Harpoon), Freedom Force (Mystique, the Blob, Pyro, Destiny, Avalanche, Spider-Woman), the Morlocks