*Black Widow
Real Name: Natalia (Natasha) Alianovna Romanova
First Appearance: Tales of Suspense Vol. 1 #52 (April 1964)
A Russian orphan trained by the KGB and implanted with false memories, Natasha later switched sides and became a member of the Avengers and an agent of S.H.I.E.L.D. *Source: Card back