The Morlocks are slaughtered by the Mister Sinister's Marauders, prompting the X-Men, X-Factor and other heroes to get involved.

Mutant Massacre

October, 1986 - January, 2010

The underground community of mutants known as the Morlocks are slaughtered by the villainous Marauders at the behest of Mister Sinister. Investigating, the X-Men, X-Factor and other heroes find themselves locked in a life or death struggle to save the surviving Morlocks from extermination.

Characters In This Event

Mutant Massacre collections