Mastermind vs Electro Facts
Creator
Jack Kirby, Stan Lee
Stan Lee, Steve Ditko
Universe
Earth-616
Earth-616
Publisher
Marvel
Marvel comics
In Comics
The X-Men #4 - The Brotherhood of Evil Mutants
Amazing Spider-Man #9 (February, 1964)
Citizenship
American
American
Marital Status
Single
Divorced
Occupation
Not Available
Professional criminal
Relatives
Not Available
Not Available