Who said "I'm not the same person I was before."?

This quote is attributed to Tony Stark.

I'm not the same person I was before. - Tony Stark

"I'm not the same person I was before."

Tony Stark

"I am Iron Man."

"Genius, billionaire, playboy, philanthropist."

"Sometimes you gotta run before you can walk."

"I'm not saying I'm Batman. I'm just saying nobody's ever seen me and Batman in the same room."