In September 1999, after Professor X disbanded the X-Men in an attempt to expose a Skrull impostor in their ranks, Cyclops and Jean Grey formed an X-Men team to help the Mannites in Astonishing X-Men, vol. 2 #1.[87]
In November and December 2003, an X-Men team was formed by Cyclops in the wake of Xorn's rampage through Manhattan, New York in New X-Men #149 and #150.[1][89]
In December 2007, 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 independent team.[113][114]
In November 2008, Beast gathered a science 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.[119][38]
In November 2012, a team was formed when the original members of X-Men were displaced in the time in All-New X-Men #1.[123]
The team headlined both All-New X-Men from 2012 to 2017 and X-Men Blue from 2017 to 2018.[1][124]
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