X-Factor 1986-1998 Series by Chris Claremont, Walter Simonson, Louise Simonson, Alan Davis, Terry Kavanagh, James Felder, Scott Lobdell, Fabian Nicieza, Barry Windsor-Smith, Jo Duffy, Bret Blevins, Peter David, Larry Stroman, John Romita Jr., Rick Leonardi, Sal Buscema, Jon Bogdanove, Jackson Butch Guice, Whilce Portacio, Jim Lee, Len Kaminski

This tells the story of the X-Men's greatest villain Apocalypse, or En Sabah Nur as he was known in ancient Egypt. Witness his rise to power and the challenges he faced in his attempts to fulfill his dream of world domination.

The vicious Marauders have been employed to wipe out the underground mutant community known as the Morlocks, whose only hope of salvation rests in the hands of the X-Men. Collects Uncanny X-Men #210-213, X-Factor #9-11, New Mutants #46, Thor #373-374, and Power Pack #27.

"Mutant" means change, and there was plenty of that when the Uncanny X-Men counted down to the Marvel Mutant Massacre, beginning with the trial of Magneto! Rachel Summers became Phoenix and the Brotherhood became Freedom Force! Lady Deathstrike became a cyborg, Moonstar a Valkyrie, Colossus a killer, and Psylocke an X-Man! And Sabretooth first set his clawed food into the X-Universe alongside his fellow Marauders! Guest-starring the original X-Factor,Power Pack and Thor! Gods, Morlocks, talking... more"Mutant" means change, and there was plenty of that when the Uncanny X-Men counted down to the Marvel Mutant Massacre, beginning with the trial of Magneto! Rachel Summers became Phoenix and the Brotherhood became Freedom Force! Lady Deathstrike became a cyborg, Moonstar a Valkyrie, Colossus a killer, and Psylocke an X-Man! And Sabretooth first set his clawed food into the X-Universe alongside his fellow Marauders! Guest-starring the original X-Factor,Power Pack and Thor! Gods, Morlocks, talking frogs and more! less

The Marauders are slaughtering Morlocks in the sewers of New York in this epic adventure, and the high-flying X-man called Angel loses his wings. This story features the first appearance of Mr Sinister.

The first X-Men crossover event - and still the most brutal! When Sabretooth and the lethal Marauders attack the underground mutant outcasts known as the Morlocks, the X-Men, X-Factor and New Mutants join forces to stop them - with help from Thor, Daredevil and Power Pack! But the cost of victory is very high, and many X-Men come away badly injured... moreThe first X-Men crossover event - and still the most brutal! When Sabretooth and the lethal Marauders attack the underground mutant outcasts known as the Morlocks, the X-Men, X-Factor and New Mutants join forces to stop them - with help from Thor, Daredevil and Power Pack! But the cost of victory is very high, and many X-Men come away badly injured. While Shadowcat might be saved with the Fantastic Four's help, the Angel contemplates a much bleaker fate! Psylocke, Longshot and Dazzler join the undermanned X-Men - just in time to clash with the Avengers - as Marvel's mutants struggle to recover and rebuild!COLLECTING: UNCANNY X-MEN (1981) 210-219; X-MEN ANNUAL (1970) 11; X-FACTOR (1986) 9-17, ANNUAL 2; NEW MUTANTS (1983) 46; THOR (1966) 373-374, 377-378; POWER PACK (1984) 27; DAREDEVIL (1964) 238; FANTASTIC FOUR VS. THE X-MEN 1-4; X-MEN VS. THE AVENGERS 1-4 less

Originally published in magazine form as X-Men #239-243, New Mutants #71-73, X-Factor #36-39.

X-Tinction Agenda, a 1990 crossover comic book storyline published by Marvel Comics that ran through Uncanny X-Men and its spin-off titles, X-Factor and New Mutants. "X-Tinction Agenda" not only reunited the X-Men after a prolonged period in which the team had been scattered around the globe (following the events of Uncanny X-Men #246-251), but featured the combined might of the three mutant teams for the first time, in their fight against the mutant-exploiting Genoshan government.

The end of an era for the X-Men! The original team, now called X-Factor, takes center stage when Proteus returns from the grave. But when Apocalypse strikes, infecting Cyclops' son Nathan with a deadly virus, Cyclops must make a bitter sacrifice! And the current X-Men return to Earth to find that Professor X's old foe the Shadow King has risen -and taken over Muir Island! It will take X-Factor and the X-Men's combined strength to triumph.. moreThe end of an era for the X-Men! The original team, now called X-Factor, takes center stage when Proteus returns from the grave. But when Apocalypse strikes, infecting Cyclops' son Nathan with a deadly virus, Cyclops must make a bitter sacrifice! And the current X-Men return to Earth to find that Professor X's old foe the Shadow King has risen -and taken over Muir Island! It will take X-Factor and the X-Men's combined strength to triumph...and when the dust clears, the two teams will become one! An uncanny new era begins as the reunited X-Men go back to basics - beginning with a deadly confrontation with Magneto and his fanatical Acolytes! COLLECTING: VOL 19: X-MEN ANNUAL (1970) 15, X-FACTOR (1986) 65-70, UNCANNY X-MEN (1981) 278-280, X-MEN (1991) 1-3; MATERIAL FROM NEW MUTANTS ANNUAL 7, X-FACTOR ANNUAL 6 less

The name wasn't changed to protect the innocent, but everything else was as Peter David took over the series from the founding X-Men Alumni of the X-Men, the New Mutants and the Avengers join refugees from odd corners of the X-Universe as the government's latest super-effort, but Mister Sinister and his Nasty Boys don't want this team to survive long enough to get its roster straight Featuring the historic first meeting of the cast of Marvel Knights' Madrox Collects X-Factor #71-75.

The X-Men story so big, it took four books to contain it! When Cyclops and Phoenix are kidnapped - and Cable seemingly assassinates Professor X - the X-Men, X-Factor and X-Force go to war...with each other! Witness epic battles around the globe and on the moon as Mr... moreThe X-Men story so big, it took four books to contain it! When Cyclops and Phoenix are kidnapped - and Cable seemingly assassinates Professor X - the X-Men, X-Factor and X-Force go to war...with each other! Witness epic battles around the globe and on the moon as Mr. Sinister's subtle plan of vengeance on Apocalypse unfolds, and major revelations are made about the true identities of Cable and his twisted doppelganger Stryfe! Featuring blood, angst, sacrifice and great big guns as Marvel's mutant families dance to the villains' twisted tune! Collecting UNCANNY X-MEN #294-297, X-FACTOR (1986) #84-86, X-MEN (1991) #14-16, X-FORCE (1991) #16-18 and STRYFE'S STRIKE FILE. less

An assassination attempt on Professor X by Cable sets in motion the events of this 12-part story involving the two X-Men teams, the government-sponsored X-Factor, and the paramilitary X-Force--formerly the New Mutants--against Stryfe, Apocalypse, and Mr. Sinister.Includes Uncanny X-Men #294-296, X-Factor #84-86, X-Force #16-18, and X-Men #14-16

For years, the X-Men have fought to avert a nightmarish future where robotic Sentinels herd mutants into camps...or kill them on sight. But no matter what they do, that future seems to loom ever closer... moreFor years, the X-Men have fought to avert a nightmarish future where robotic Sentinels herd mutants into camps...or kill them on sight. But no matter what they do, that future seems to loom ever closer. Now, all the classic tales featuring this dystopian alternate ti meline are collected in one oversized volume! Kate Pryde journeys desperately through time to prevent Senator Kelly's assassination! Franklin Richards flees to the present, pursued by the hound-master Ahab! And Excalibur ventures into the future in a last-ditch attempt to defeat the Senti nels! Plus prequels starring Wolverine and the Hulk! The future is now! COLLECTING: X-MEN (1963) 141; UNCANNY X-MEN(1981) 142; NEW MUTANTS ANNUAL 6; X-FACTOR ANNUAL 5; X-MEN ANNUAL 14; EXCALIBUR (1988) 52, 66-67; WOLVERINE: DAYS OF FUTURE PAST 1-3; MATERIAL FROM FANTASTIC FOUR ANNUAL 23, HULK: BROKEN WORLDS 2 less

The sequel to one of the most acclaimed X-Men stories of all time... DAYS OF FUTURE PAST.A man from the future, desperately searching for the safety of his past, returns to those he once loved to save them from a future of tyranny and death. But in doing so he may have brought with him the greatest threat of all... the mutant killer Ahab.Reprints/Collects:Fantastic Four (1961) Annual 23The New Mutants (1983) Annual 06Uncanny X-Men (1963) Annual 14X-Factor (1986) Annual 05

Humanity is helpless against the onslaught of the assimilation the Phalanx brings. Those creatures that are genetically different, known to us as mutants, possess the ability to defend themselves against the Phalanx. Of those, the group known as the X-Men present the greatest threat to the Phalanx's plans for domination. Through means of assimilation, subterfuge, and incursion, the Phalanx, have prepared a preemptive strike against the X-Men... moreHumanity is helpless against the onslaught of the assimilation the Phalanx brings. Those creatures that are genetically different, known to us as mutants, possess the ability to defend themselves against the Phalanx. Of those, the group known as the X-Men present the greatest threat to the Phalanx's plans for domination. Through means of assimilation, subterfuge, and incursion, the Phalanx, have prepared a preemptive strike against the X-Men. Armed with this knowledge, the mutants have launched a desparate strike of their own, to find seven fledgling mutants: Husk, Chamber, Skin, Jubilee, M. Synch and Blink- who will join the X-Men to stand between the Phalanx and victory. less