Mark Ruffalo recently appeared on BBC's The Graham Norton Show to promote Marvel's The Avengers, due in theaters May 4. The actor brought a clip with him, which shows Natasha Romanoff (Scarlett Johansson) trying to convince Bruce Banner to join this superhero roster. Check it out.
Marvel's The Avengers Bruce Banner and Black Widow Clip
Scarlett Johansson tries to convince Mark Ruffalo to join this superhero squad in this scene from Joss Whedon's adventure.