X-Men: Mutant Massacre Prelude Omnibus (Uncanny X-Men #194-209, Nightcrawler #1-4, Longshot #1-6, X-Factor #1-8, The Amazing Spider-Man #282, The Aven

Rachel Summers claims the power of Phoenix, Jean Grey returns from a watery grave and the original X-Men reunite as X-Factor! It's an era of upheaval that puts Marvel's mutants on the path to some of their darkest days! Both Cyclops and Professor X leave the X-Men, but a new teammate waits in the wings: Magneto?! As Storm steps up and Wolverine faces the new Phoenix, the relentless Nimrod targets the team for annihilation! Meanwhile, the newly minted X-Factor grapples with Jean's miraculous resurrection and shares a fateful first encounter with Apocalypse! Plus: The X-Men and New Mutants enlist in the Asgardian Wars, Nightcrawler goes solo and Longshot debuts!

Collecting: UNCANNY X-MEN (1981) #194-209 & ANNUAL #9-10; NEW MUTANTS SPECIAL EDITION #1; NEW MUTANTS ANNUAL #2; NIGHTCRAWLER (1985) #1-4; LONGSHOT (1985) #1-6; AVENGERS (1963) #263; FANTASTIC FOUR (1961) #286; X-FACTOR (1986) #1-8 & ANNUAL #1; IRON MAN ANNUAL #8; AMAZING SPIDER-MAN (1963) #282 and material from MARVEL FANFARE (1982) #33 and CLASSIC X-MEN #8 and #43.