Who said "We may not be able to save Earth, but we can avenge it."?

This quote is attributed to Captain America (The Avengers).

We may not be able to save Earth, but we can avenge it. - Captain America (The Avengers)

"We may not be able to save Earth, but we can avenge it."

Captain America (The Avengers) Justice

"I can do this all day."

"When I was a kid, I couldn't do any of this. Now I can fight with the best of them."

"Big man in a suit of armour. Take that off, what are you?"

"I'm just a kid from Brooklyn."

"Justice must always prevail."

"You think I'm just some animal?"

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

"Justice is worth fighting for."