Crimson Widow

Yelena Belova, the second Black Widow, is a Marvel Comics character who appeared in Avengers Assemble, voiced by Julie Nathanson. She is an expert martial artist and markswoman who was cybernetically augmented to replicate the powers of any superhero. She acts as HYDRA's counterpart to the first Black Widow, and she captured Hulk so HYDRA could turn him againat the other Avengers by using the Winter Soldier Program. Thankfully, the rest of the Avengers defeated Black Widow II and HYDRA and freed Hulk's mind from the grip of the Winter Soldier Program.