X-Men: Mutant Massacre Prelude Omnibus

The narrative unfolds with Rachel Summers harnessing the Phoenix force and Jean Grey's unexpected return, leading to a turbulent period for Marvel's mutants. Key figures like Cyclops and Professor X depart, making way for Magneto to join the team. As Storm and Wolverine confront new challenges, including the lethal Nimrod, X-Factor navigates Jean's resurrection and an encounter with Apocalypse. The saga also features the X-Men and New Mutants in the Asgardian Wars, alongside solo adventures from Nightcrawler and the debut of Longshot.