Black Widow is a character from the Marvel Cinematic Universe. She appears in Iron Man 2, The Avengers, Captain America: The Winter Soldier, Avengers: Age of Ultron, Captain America: Civil War, Avengers: Infinity War and The Incredible Hulk 2.
Biography
The Incredible Hulk 2
Natasha Romanoff is sitting in her room when Fury walks in and asks of she wants to do something for him. Hulk must be calmed down and she goes in the quinjet to it. She uses her trick to calm him down and brings him back to the Avengers Facility. Later Fury says that The Abomination attacks New York. Hulk and Black Widow are sent and Red Hulk also comes. Black Widow saves Hulk's life and they easily defeat The Abomination, but he can escape. Red Hulk also goes away.
Back again, Bruce thanks Natasha for saving his life and kisses her. Natasha thinks he turns into the Hulk with this, but Bruce says he has full control over the Hulk. That night they sleep with each other. The next day, they awake naked in bed and Bruce is shocked and can't remember anything. Natasha says she can't get pregnant and that it all doesn't matter. After some time, they go to Fury's office who has the location of The Leader's lab. Hulk and Black Widow go to it and Red Hulk comes again to help them. They destroy the door and attack The Leader and The Abomination. Hulk hels Red Hulk to defeat The Abomination and The Leader steals all his gamma redition to become very big. With good teamwork, they can push the Leader on the ground and smash all the gamma redition out of him. But The Leader still can escape.
Back at the Avengers Facility, Fury says The Abomination is surely deatg and The Leader can't be found. He and Ross go away to look what Ross can do for the Avengers. Natasha says to Bruce that she has a secret for him. She goes on the back of the Hulk and he jumps to it. She does a blindfold on Bruce's eyes. Natasha opens it and Bruce is very glad that he finally has a home and loved Natasha very much.