



One such thread was the romance between Bruce Banner/Hulk (Mark Ruffalo) and Natasha Romanoff/Black Widow (Scarlett Johansson).

With 2015's Avengers: Age of Ultron, writer/director Joss Whedon surprised fans by pairing Natasha Romanoff, a.k.a. the Black Widow (Scarlett Johansson) with


