Sabretooth is a fictional character appearing in American comic books published by Marvel Comics, commonly in association with the X-Men. Created by Chris Claremont and John Byrne, he first appeared in Iron Fist #14 and was initially depicted as a serial killer known as "the Slasher", before being developed into an X-Men villain during the "Mutant Massacre" crossover in 1986. This portrayal of Sabretooth has endured as the archenemy of the superhero Wolverine.
Apocalypse is a supervillain appearing in American comic books published by Marvel Comics. He is one of the world's first mutants, and was a principal villain for the original X-Factor team and later the X-Men and related spin-off teams. Created by writer Louise Simonson and artist Jackson Guice, Apocalypse first appeared in X-Factor #5. Apocalypse is one of the most powerful beings in the Marvel Universe where he is the husband of Genesis and the father of the original incarnation of the Horsemen of Apocalypse.
"Age of Apocalypse" is a 1995 comic book crossover storyline mostly published in the X-Men franchise of books by Marvel Comics. The Age of Apocalypse briefly replaced the universe of Earth-616 and had ramifications in the main Marvel Comics universe when the original timeline was restored. It was later retconned as having occurred in the alternate universe of Earth-295.
Mister Sinister is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Chris Claremont, the character was first mentioned as the employer behind the team of assassins known as the Marauders in The Uncanny X-Men #212, and later seen in silhouette in The Uncanny X-Men #213, with both issues serving as chapters of the 1986 "Mutant Massacre" crossover. Mr. Sinister then made his first full appearance in The Uncanny X-Men #221. His appearance was designed by artist Marc Silvestri.
Morlocks are a group of mutant characters appearing in American comic books published by Marvel Comics. The characters are usually depicted as being associated with the X-Men in the Marvel Universe. Created by writer Chris Claremont and artist Paul Smith, they were named after the subterranean race of the same name in H. G. Wells' novel The Time Machine, but unlike in the Wells book, they are not a faceless, threatening mass of villains. They first appeared as a group in The Uncanny X-Men #169. Caliban appeared prior to that, but he was not yet a member of the Morlocks.
Graydon Creed is a fictional character appearing in American comic books published by Marvel Comics. The character was created by writer Scott Lobdell and artist Brandon Peterson and first appeared in The Uncanny X-Men #299. He is the "baseline human" son of Sabretooth and Mystique.
Uncanny X-Men, originally published as The X-Men, is an American comic book series published by Marvel Comics since 1963, and is the longest-running series in the X-Men comics franchise. It features a team of superheroes called the X-Men, a group of mutants with superhuman abilities led and taught by Professor X.
Arclight is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Chris Claremont and artist John Romita Jr., she is a former military officer who later becomes an assassin. She is primarily known as a member the original Marauders team, a group of mutants who often work for the mad scientist villain Mister Sinister. As a Marauder, she has often fought the X-Men as well as related teams and heroes such as X-Factor and X-Force. Like many of the Marauders, Arclight has been killed in battle more than once, only to be revived each time by Sinister through advanced cloning techniques.
The Marauders refers to one of two teams of fictional characters appearing in American comic books published by Marvel Comics. The original Marauders team included mutant warriors and assassins employed by the X-Men's enemy Mister Sinister, a mad scientist villain often intent on creating a perfect race of superhumans. At different times, the Marauders have been tasked by Sinister to perform kidnappings, assassinations, mass murder, or simply fight Sinister's enemies. At different times, Marauders have been killed in combat, but often Mr. Sinister later uses his cloning technology to re-create them. This team of Marauders has appeared in many different stories of the X-Men franchise, as well as stories featuring other Marvel Comics heroes.
Callisto is a superhero appearing in American comic books published by Marvel Comics. Created by writer Chris Claremont and artist Paul Smith, the character first appeared in The Uncanny X-Men #169. She belongs to a subspecies of humans known as mutants, who are born with superhuman abilities. She is also known under the codename White Knight.
"The Fall of the Mutants" was a comic book crossover storyline by Marvel Comics spanning January to March 1988. It spanned three issues each of The Uncanny X-Men #225-227, X-Factor #24-26, and New Mutants #59-61; unlike most crossovers however, the various titles' storylines did not intertwine, but were instead linked thematically as each team underwent major ordeals and drastic changes in their status quo.
Caliban is a fictional character appearing in American comic books published by Marvel Comics. He first appeared in The Uncanny X-Men #148, by writer Chris Claremont and artist Dave Cockrum. A mutant with the ability to sense other mutants, he was originally a member of the Morlocks. He was also a member of the X-Factor, X-Men, X-Force and The 198. He was chosen twice by Apocalypse as one of the Horsemen of Apocalypse, first as Death and the second time as Pestilence, and Apocalypse also enhanced his superpowers through genetic manipulation.
"Inferno" was a 1989 Marvel Comics company-wide crossover storyline centered upon the X-Men family of titles, including Uncanny X-Men, X-Factor, X-Terminators, Excalibur, and The New Mutants. The story's inciting incident is demonic invasion of New York City, and its main character arcs were the corruption of Madelyne Pryor into the Goblin Queen, and the final transformation of Illyana Rasputin into the Darkchylde. Other non-X-Men books that tied into the storyline included the Spider-Man titles, which depicted the demonic transformation of the villain Jason Macendale. The core series were written by Louise Simonson, and Chris Claremont, and drawn by Bret Blevins, Marc Silvestri, and Walt Simonson, while the various tie-in books were handled by creators that included Alan Davis, Steve Engelhart, Gerry Conway, David Michelinie, Ann Nocenti, Walter Simonson, Jon Bogdanove, Terry Austin, and Julianna Jones.
"X-Cutioner's Song" is a crossover storyline published by Marvel Comics' in twelve parts from November 1992 to early 1993. It ran in Uncanny X-Men, X-Men, X-Factor, and X-Force, and featured Stryfe as the central villain.
The Horsemen of Apocalypse are a team of supervillain characters appearing in American comic books published by Marvel Comics. Led by Apocalypse, they are loosely based on the Biblical Four Horsemen of the Apocalypse from the Book of Revelation, though its members vary throughout the canon.
Harpoon is a fictional character appearing in American comic books published by Marvel Comics. He is a member of the mutant assassin team known as Marauders, who are employed by Mister Sinister. Little is known about Harpoon other than that he is Inuit.
Riptide is a supervillain appearing in American comic books published by Marvel Comics, usually those related to the X-Men franchise.
Blockbuster is a fictional mutant character appearing in American comic books published by Marvel Comics. The character was created by Chris Claremont and Michael Golden and his first appearance was in The Uncanny X-Men #210.
"The Twelve" is a comic book crossover storyline published by Marvel Comics in March 2000. The storyline was continued and concluded with the Ages of Apocalypse crossover.
"Hunt for Wolverine" is a 2018 comic book storyline published by Marvel Comics, starring the character Wolverine. The storyline is the follow-up to the Death of Wolverine event, and is continued with Return of Wolverine.
