Melina Vostokoff (Marvel Cinematic Universe)

Melina Vostokoff is one of the two tritagonists of the 2021 film Black Widow. She is the ex-wife of Alexei Shostakov and the adoptive mother of Natasha Romanoff and Yelena Belova who has undergone the Black Widow program in the Red Room at least five times.
In 2016, Melina would reunite with her ex-husband and adoptive daughters, assisting them in freeing the Black Widows from Dreykov's control.
She is portrayed by Rachel Weisz