|Mutant protection force operating in Genosha.|
|Sanctioned by the de facto government of Genosha.|
|Nation or Planet of Origin|
|Base of Operations|
|Excalibur Vol. 3|
|Excalibur Vol. 3 #1 (July, 2004)|
|Chris Claremont & Aaron Lopresti|
Under the control of Cassandra Nova, a wild variant of the mutant hunting robots known as Sentinels destroyed the nation of Genosha killing an incalculable number of citizens. Looking to rebuild his dream of harmony between mutants and humans, Professor X resettled to the island nation in the aftermath of Nova's attack forming a new team known as Excalibur.