She was a devout follower of Arcade and his main lackey. She recruited the X-Men to save him when he was kidnapped by Doctor Doom.
Notes:
Created by Chris Claremont and John Byrne
First Appearance in Marvel Team-Up (Marvel, 1972 series) #65 (January 1978)
Died in Wolverine / Gambit: Victims (Marvel, 1995 series) #4 (December 1995)