Mastermind vs Viper Facts
Creator
Jack Kirby, Stan Lee
Jim Steranko
Universe
Earth-616
Earth-616
Publisher
Marvel
Marvel comics
In Comics
The X-Men #4 - The Brotherhood of Evil Mutants
Captain America #180 (as Viper)
Citizenship
American
Non American
Marital Status
Single
Divorced
Occupation
Not Available
Not Available
Base
Not Available
Not Available
Relatives
Not Available
Not Available