Who said "Fear is natural. Acting despite it is courage."?

This quote is attributed to Hulk (The Avengers).

Fear is natural. Acting despite it is courage. - Hulk (The Avengers)

"Fear is natural. Acting despite it is courage."

Hulk (The Avengers) Courage

"Puny god."

"You want a Hulk? You're looking at a Hulk right now."

"I'm always angry."

"That's my secret, Captain. I'm always angry."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."