Mastermind vs Mister Sinister Facts
Creator
Jack Kirby, Stan Lee
Chris Claremont, Marc Silvestri
Universe
Earth-616
Earth-616
Publisher
Marvel
Marvel comics
In Comics
The X-Men #4 - The Brotherhood of Evil Mutants
Uncanny X-Men #221 (September, 1987)
Citizenship
American
British
Marital Status
Single
Widowed
Occupation
Not Available
Geneticist, Criminal, biologist and mutant-supremacist
Base
Not Available
Many bases throughout the world including his State Home for Foundlings and the Center for Homo Superior Medical Care.
Relatives
Not Available
Not Available