Collects Avengers (1963) #110-111, Incredible Hulk #172, 180 & 181, Captain America #172-175, Marvel Team-Up #23 & 38, Defenders #15-16 and Giant-Size Fantastic Four #4. The culmination of the Silver Age legacy of Marvel's mutant misfits, the X-Men! Closing the gap between the end of the X-Men's original series in 1970 and the debut of the All-New, All-Different team in 1975, the Marvel Masterworks present several X-Men tales that set the stage for Giant-Size X-Men #1! First up: Forced underground by anti-mutant hysteria run amok, the X-Men find themselves pursued by a secret adversary that seeks to pick them off one by one. And if being on the run wasn't tough enough, here comes Magneto! Only the combined might of the X-Men and the Avengers can prevent the Master of Magnetism from unleashing a nuclear holocaust. Then, with the X-Men's ranks dwindling, Professor X, Cyclops and Marvel Girl head West for reinforcements, but instead bump into the Incredible Hulk and the Juggernaut. (Ouch!) Next comes the culmination of the classic Secret Empire saga, where the X-Men find they share a common enemy with Captain America and join forces with the shield-slingin' Avenger to save the nation and rescue their mutant comrades. Then, on the eve of the X-Men's departure to face Krakoa the Living Island, Iceman and the Human Torch team-up to battle Equinox, the Thermo-Dynamic Man-and with his team missing, Professor X must enlist the Defenders to fight a resurgent Magneto and Alpha, the Ultimate Mutant! To top it all off, we've also included X-Man-to-be Wolverine's very first appearance! The ol' Canucklehead leaps from the top-secret Weapon X program and throws down in his first famous battle with the Incredible Hulk. It's the all-time classic that made comic book history! There's also the debut of Madrox the Multiple Man-Chris Claremont's first X-Man-and the Beast vs. the Griffin. This X-tra special Masterworks volume polishes off the library of every X-Fan's dreams-completing the original adventures of Marvel's most-famous super team!

Collects Uncanny X-Men #161-167 & X-Men Annual #6. It's an adventure in Belasco's mysterious Limbo realm that leaves Colossus' little sister Ilyana Rasputin aged from child to teenager in a moment. Then comes a classic tale of Professor X and Magneto in their younger days, before their philosophical fallout, teamed up to take down Baron Strucker and Hydra. But the real action is the conclusion of the epic Brood Saga! Teamed with the Starjammers and Shi'ar, the X-Men are in an all-out war for survival against the sleaziest parasites in outer space.

Collects X-Men (1963) #1 & #129, Giant-Size X-Men #1, Uncanny X-Men #171, #200, #213, #267 & #287, New X-Men (2001) #116 And Free Comic Book Day: X-Men 2008. Ever since Charles Xavier opened his school's doors to the mutants of the world, his X-Men have welcomed those from all walks of life into their ranks! See how your favorite mutants joined your favorite mutant team! Witness the initiations of Marvel Girl! Wolverine! Colossus! Nightcrawler! Banshee! Storm! Kitty Pryde! Rogue! Magneto! Gambit! Bishop! And Pixie! Featuring the threats of the Hellfire Club, Fenris, Fitzroy, the N'Garai and the Shadow King!

Collecting Uncanny X-Men (1981) #189-193, X-Men Annual (1970) #8, X-Men And Alpha Flight (1985) #1-2 And Kitty Pryde And Wolverine #1-6. Chris Claremont made the X-Men a global sensation and the Marvel Masterworks are once again proud to present his tales of honor, prejudice, evolution and perseverance. It begins with Wolverine’s return to Japan, where the young Kitty Pryde has found herself in over her head with the yakuza. It’s an adventure that will change both characters forever! Meanwhile in America, the X-Men face the Hellfire Club and Kulan Gath turns all of Manhattan — and all Marvel’s heroes — into a barbarian horde. Then, in the All-New, All-Different X-Men 100th issue, a ghost from the team’s past confronts them on one of their most devastating moments. Finally, fan-favorite Paul Smith returns for a story with massive implications for the X-Men’s future.

Uncanny X-Men (1963) #54-66

Collects Uncanny X-Men (1981) #168-175, X-Men Annual (1970) #7, Marvel Graphic Novel (1982) #5, Wolverine (1982) #1-4. By 1982, the Uncanny X-Men had become the biggest franchise in comic books. Chris Claremont's writing rose to find perhaps his most poignant and challenging expression of the mutant metaphor in "God Loves, Man Kills," while his work with Frank Miller on Wolverine skyrocketed the character's popularity. With the culmination of Paul Smith's classic run - featuring the growing romance between Kitty Pryde and Colossus, the first appearance of Callisto and the Morlocks, Rogue's debut as an X-Man.

Collects Uncanny X-Men (1981) #232-243, X-Men Annual (1970) #12, X-Factor (1986) #37-39. Chris Claremont, the man who made Marvel's mutants an industry unto themselves, takes the X-Men to hell and back - and damnation couldn't look any better than with legends Marc Silvestri and Walter Simonson behind the art boards! The "Inferno" saga brings together the many threads Mister Sinister has been weaving, the machinations of the demon N'astirh, and the lives of X-Men past and present. In one of Marvel's most devastatingly personal epics, the startling secret of Madelyne Pryor is revealed - and the X-Men and X-Factor will face each other for the first time! This newly restored edition also features the return of the alien Brood, the introduction of Genosha and a Savage Land adventure drawn by Arthur Adams!

Uncanny X-Men (1963) #43-53, Avengers (1963) #53, Ka-Zar (1970) #2-3, Marvel Tales #30

Collects Giant-Size X-Men #1 & X-Men #94-100. The Children of the Atom, runts of the Silver Age litter, are reborn as the All-New, All-Different team of mutants that took the world by storm! With the original team held hostage by unknown forces, Professsor X recruits an international cast including Wolverine, Storm, Colossus, Nightcrawler, Banshee, Sunfire and Warpath to take on the mantle of the Uncanny X-Men! Marked by progressive politics and personal conflicts, these All-New X-Men redefined super-hero teams for a generation of readers that can’t get enough X-adventure to this day. Here for the first time you’ll see Wolverine throw down with Cyclops; experience the shocking death of an X-Man; tremble at the return of the towering Sentinels; watch as X-Man battles X-Man as the new team attempts to tear apart the old; and bear witness to the sacrifice of Jean Grey. They’re mutant milestones of the highest order, one and all – the stories that set the table for a comics revolution – so reserve that copy today, True Believer!

Collects X-Men (1963) #22-31. Witness the first appearance of X-Men mainstay Banshee and read the rare stories when a sixth mutant member, the Mimic, joined Professor X's squad. Also featured are the beginnings of the long-ranging Factor Three saga, and the classic battle between Mimic and the Super-Adaptoid.