Yelena Belova

Yelena Belova is a fictional character in the Marvel Comics universe, known as the second Black Widow. Trained as a spy and assassin, she possesses exceptional combat skills and has a complicated relationship with her predecessor, Natasha Romanoff. In the Marvel Cinematic Universe, she is portrayed by Florence Pugh and has emerged as a key character following her introduction in the film 'Black Widow'.