Who said "This is what we do."?

This quote is attributed to Iron Man (The Avengers).

This is what we do. - Iron Man (The Avengers)

"This is what we do."

Iron Man (The Avengers)

"I am Iron Man."

"Genius, billionaire, playboy, philanthropist."

"If you're nothing without the suit, then you shouldn't have it."

"I've successfully privatized world peace."