[8][9] It featured Cyclops, Wolverine, Storm, Beast, Emma Frost, Armor and Charles Xavier, as well as frequent flashbacks with Jean Grey.

[10][11][12] Marvel produced motion comics based on Astonishing X-Men, releasing them on Hulu, iTunes, the PlayStation Store and other video services.

[20][21] The Bryan Singer-directed X-Men was released on July 14, 2000, with the team roster of Professor X (Patrick Stewart), Cyclops (James Marsden), Wolverine (Hugh Jackman), Storm (Halle Berry) and Jean Grey (Famke Janssen).

[22][23] Singer returned for the sequel X2 released on May 2, 2003, with Rogue (Anna Paquin), Iceman (Shawn Ashmore), and Nightcrawler (Alan Cumming) joining the team.

Singer was replaced by Brett Ratner for X-Men: The Last Stand, released on May 26, 2006, with Beast (Kelsey Grammer), Angel (Ben Foster), Shadowcat (Elliot Page) and Colossus (Daniel Cudmore) joining.

Following a young Professor X (James McAvoy), Magneto (Michael Fassbender), Beast (Nicholas Hoult), Mystique (Jennifer Lawrence), Havok (Lucas Till) and Banshee (Caleb Landry Jones) as the original team, the film was directed by Matthew Vaughn and released on June 3, 2011.

X-Men: Apocalypse was released on May 27, 2016, with Mystique leading the team of Beast, Quicksilver (Evan Peters), Storm (Alexandra Shipp), Nightcrawler (Kodi Smit-McPhee), Cyclops (Tye Sheridan) and Jean Grey (Sophie Turner).

[30][31] The tetralogy concluded with a fourth film, Dark Phoenix, written and directed by Simon Kinberg and released on June 7, 2019, and featured the same roster as Apocalypse.

[36] Another spin-off and the final film of the franchise, The New Mutants, was released on August 28, 2020, directed by Josh Boone, who also co-wrote the screenplay with Knate Gwaltney.

However, an alternate version of the post-credits scene in Iron Man (2008) had him specifically mention "assorted mutants" in regards to the larger universe he and Tony Stark were a part of.

[41] Disney CEO Bob Iger later confirmed that the X-Men would be integrated into the MCU alongside the Fantastic Four, Silver Surfer and Deadpool.

After the deal, Charles Xavier / Professor X became the first mutant character to appear in the MCU, with Patrick Stewart reprising his role from the X-Men film series.

In the mid-credits scene of the film The Marvels (2023), Monica Rambeau wakes up in X-Mansion and meets Hank McCoy / Beast after she gets trapped in an alternate universe.

[46][47] Hugh Jackman, Kapičić, Hildebrand, Kutsuna and Dafne Keen reprised their roles as Wolverine, Colossus, Negasonic Teenage Warhead, Yukio and X-23 respectively.

Cyclops, Jean Grey, Nightcrawler, Professor X, and Psylocke appear as NPC's on all versions while the Beast, Forge, Karma and Dr. Moira MacTaggert were mentioned by different characters.

In addition, during a cut-scene, the Beast, Colossus, Cyclops, Gambit, Magneto, Professor Xavier, Psylocke, and Shadowcat were seen defeated by Doctor Doom alongside the Hulk.

Xbox 360 owners were later able to download eight new playable characters for the game, including X-Men heroes and villains: Cyclops, Magneto, Nightcrawler and Sabretooth.

[71][72] In Marvel: Ultimate Alliance 2, Wolverine, Deadpool, Iceman, Storm, Gambit, and Jean Grey are featured as playable characters while Cyclops and Psylocke are exclusive to PS2, PSP and Wii.

[75] Science of the X-Men by Linc Yaco and Karen Haber explains how different superpowers would work and how such abilities would affect the people that have them.