Marvel-verse. Black Widow

"When the Crimson Dynamo invades Avengers Tower, a certain superspy is on his trail. The Avengers have an imposter in their midst, and Natasha Romanoff wants answers! Black Widow must protect an important witness from being kidnapped by a mysterious foe. It's a classic team-up as Black Widow and Daredevil work together to save an innocent man's life and infiltrate a Hydra base. Then or her latest mission Natasha finds herself at odds with Silver...