Tony Stark: Is no one going to comment that the Cap just said "language"? Steve Rogers: I know!
Avengers: Age of UltronTony Stark: [punches Hulk in the face with the Hulkbuster. The hulk spits a tooth out] I'm sorry.
Avengers: Age of UltronTony Stark: In a world this vulnerable, we need something more powerful than any of us.
Avengers: Age of Ultron