Who said "I love you. I am never, ever going to let you down."?

This quote is attributed to Tony Stark.

I love you. I am never, ever going to let you down. - Tony Stark

"I love you. I am never, ever going to let you down."

Tony Stark Love

"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."

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"