MASTERMIND I

Real Name: 
Jason Wyngarde
Universe/Timeline: 
Marvel Universe
Status: 
Deceased
Additional Status Info: 
Category: 
Mutant
Nationality: 
American
First Appearance: 
X-Men (1st series) #4
Last Appearance: 
Uncanny X-Men Annual (1st series) #17
Cause of Death: 
Legacy Virus