X-Treme Sanctions Executive

X-Treme Sanctions Executive (X.S.E.)
Publication information
Publisher	Marvel Comics
First appearance	Uncanny X-Men #445 (August 2004)
Created by	Chris Claremont
In-story information
Base(s)	Xavier Institute for Higher Learning
Member(s)	Bishop Cannonball Marvel Girl Nightcrawler Psylocke Sage Storm Wolverine

The X-Treme Sanctions Executive is a fictional paramilitary police force appearing in American comic books published by Marvel Comics, in particular those featuring the X-Men, and related spinoffs. The organization is charged with keeping the peace between mutants and humans in the Marvel Comics universe. The team was first mentioned in X-Treme X-Men #40, when Storm presents her team with an offer to join a new, government-backed squad, and debuts in Uncanny X-Men #445 (August 2004).

During the final issues of X-Treme X-Men, Storm successfully campaigns the United Nations for a team that would be backed by the United Nations that would have legal authority to enforce peace between mutants and humans. The X-Treme Sanctions Executive, also known by the abbreviation XSE, debuts in Uncanny X-Men #445, following the return of writer Chris Claremont. Artist Chris Bachalo illustrates several of the team's adventures.

Several former X-Treme X-Men members join the group, including Sage, Bishop and Cannonball, Wolverine, Nightcrawler and Rachel Summers, aka Marvel Girl.

While in England visiting Brian Braddock, the brother of the recently-slain X-Man Betsy Braddock, Marvel Girl, Cannonball and Bishop are attacked by a Fury. Sage is able to construct a plan to defeat The Fury, however Cannonball is forced to take a leave of absence to recuperate from his injuries. Sage subsequently rejoins the Hellfire Club in order to monitor its new Lord Imperial, and former X-Men charge Roberto da Costa, to ensure he is not corrupted by power, as Sabastian Shaw was.

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