Who said "I thought the Americans were supposed to be good."?

This quote is attributed to Iron Man.

I thought the Americans were supposed to be good. - Iron Man

"I thought the Americans were supposed to be good."

Iron Man Justice

"I am Iron Man."

"Genius, billionaire, playboy, philanthropist."

"I'm not the one who should be worried."

"This is the most important thing I've ever done."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."