Cape Citadel was a United States missile base. It was the site of Magneto's first act of genetic terrorism in his war with humanity, as well as the site of Magneto's first battle with the original X-Men. The X-Men thwarted Magneto's takeover of the base, defeating him.
As a plan B for the plan to restore the future, Xorn's Brotherhood attacked the military base, "where the X-Men were born", in order to cancel their existence, and were opposed by past, future, Wolverine's and Cyclops' X-Men, before S.H.I.E.L.D.'s Helicarrier step over them.
Alternate Reality Versions
- Appearances of Cape Citadel
- Minor Appearances of Cape Citadel
- Media Cape Citadel was Mentioned in
- Location Gallery: Cape Citadel
- Images related to Cape Citadel
- Marvel Staff members who were born in Cape Citadel