Madame B.

Madame B is a minor antagonist in The Marvel Cinematic Universe. She appears as a minor antagonist in the 2015 film Avengers: Age of Ultron and a background antagonist in Black Widow. 
She was an operative of General Dreykov and the former mentor of Natasha Romanoff during her time in the Black Widow program. However, Natasha later defected to America and joined S.H.I.E.L.D., betraying her country. 
==Biography==
== Personality ==
== Physical appearance ==
== Powers and abilities ==
=== Powers ===
=== Abilities ===
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== Other appearances ==
== Gallery ==
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== Navigation ==
Category:Villains
Category:Antagonists
Category:Supervillains
Category:Live-action characters
Category:Black Widow characters
Category:Disney characters
Category:The Avengers characters
Category:Marvel Cinematic Universe characters