Black Widow

First Appearance: Tales of Suspense #52
Base of Operations: Mobile
Occupation: Adventurer, Intelligence agent, former ballerina
Group Affiliation:: Secret Avengers; formerly Thunderbolts (as Yelena Belova), Nick Fury, Mighty Avengers, S.H.I.E.L.D., Avengers, Champions of Los Angeles, Lady Liberators, KGB, "Marvel Knights", partner of Daredevil, Hawkeye, Boris Turgenov, Logan