Who said "I'm exactly where I need to be."?

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

I'm exactly where I need to be. - Iron Man (The Avengers)

"I'm exactly where I need to be."

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."