List of X-Men members
The X-Men are a team of mutant superheroes, published in comic books by Marvel Comics. Over the decades, the X-Men have featured a rotating line up composed of many characters. Notation: Substitute teams. New Mutants graduate X-Men. In 1986, the New Mutants briefly graduated to become the X-Men in "Uncanny X-Men Annual" #10. Muir Island X-Men. In 1989, in the wake of the X-Men's "death" during "The Fall of the Mutants", Banshee assembled a team of X-Men on Muir Island in "Uncanny X-Men" #254 to  #255. Phalanx invasion X-Men. In 1994, to oppose the threat of the techno-organic alien Phalanx, a team of X-Men was quickly banded together in "Uncanny X-Men" #316. Mannite rescue X-Men. In 1999, after Professor X disbanded the X-Men in an attempt to expose a Skrull impostor in their ranks, Cyclops and Jean Grey formed a team to help the Mannites in "Astonishing X-Men", vol. 2 #1. Genoshan assault X-Men. In 2001, Jean Grey recruited a team in "Uncanny X-Men" #392 in order to rescue Professor X from Magneto. Street team X -Men. In 2004, a team was formed by Cyclops in the wake of Xorn's rampage through Manhattan, New York in "New X-Men" #149 and #150. X-Men in training. Mutants to be trained as a junior team of X-Men. X-Force. In 2008, the X-Men's strike team was formed by Cyclops in "Uncanny X-Men" #493, with Wolverine serving as the field leader. The team took on missions which required responses too violent or controversial for the X-Men to deal with directly. When Cyclops disbanded the team, Wolverine assembled a new team. X-Club . In 2009, Beast gathered a team in "Uncanny X-Men" #504 to attempt to deal with the mutant birth crisis, and reverse the effects of M-Day. The team lasted until 2012. Time-displaced X-Men. Headlined "All-New X-Men" from 2012 to 2017 and "X-Men Blue" from 2017 to 2018. London X-Men. In 2017, a team was formed to help Charles Xavier against the Shadow King in "Astonishing X-Men", vol. 4. Secret X-Men. A team formed in 2022, the Secret X-Men are tasked with saving the daughter of Xavier and Lilandra, Empress Xandra  of the Shi'ar Empire. Their debut was in "Secret X-Men" #1. Unofficial. The teams who have used the name of the X-Men without the permission of the official X-Men. They were either opposed to the X-Men altogether, or used the name to promote themselves to the public. Cerebro's X-Men. Nanotechnology imposter team formed in 1998 by a sentient Cerebro posing as Professor X. Great Lakes X-Men. In 2005, served a cease and desist for his team's use of the Avengers name, Mr. Immortal reorganized the Great Lakes Avengers into a team of  unofficial X-Men in "G.L.A." #4. They have since changed their name to first Great Lakes Champions and then Great Lakes Initiative. Norman Osborn's X-Men. In 2009, a team of X-Men assembled by Norman Osborn during the "Utopia" storyline as part of the overarching "Dark Reign" event. X-Men Green. Rogue team formed in 2021 to combat environmental destruction at all costs.