Why didn't Madam B appear in Black Widow since she was Natasha's trainer in the Red Room according to the flashback in Age of Ultron? - Quora
Black Widow' Details You May Have Missed in Marvel Movies
Fan Casting Julie Delpy as Madame B in Avengers: Age Of Ultron (2015) on myCast
Madame B. | Lego Marvel and DC Superheroes Wiki | Fandom
Each of Wanda's visions given to the Avengers in Age of Ultron had foreshadowing. This was a blink-and-you'll-miss-it shot from Black Widow's. Wonder if it'll be relevant in her movie... : r/marvelstudios
Natalia Romanoff | Marvel Cinematic Universe Wiki | Fandom
Madame B | Villains Wiki | Fandom
Madame B Fan Casting for Avengers: Age of Ultron (1995) | myCast - Fan Casting Your Favorite Stories
Viper (Madame Hydra) - Wikipedia, la enciclopedia libre
Foto: Julie Delpy | Héroes sin gloria: los mejores actores y actrices más desaprovechados por Marvel