Mastermind

Mastermind is the codename of several characters, including:

Marvel Comics

 * Jason Wyngarde (Earth-616)
 * Regan Wyngarde (Earth-616)
 * Martinique Wyngarde (Earth-616)
 * Mastermind (Computer) (Earth-616)
 * Jason Wyngarde (Clone) (Earth-616)
 * Jason Stryker (Earth-10005)