Thor: Have a care how you speak. Loki is beyond reason, but he is of Asgard. And he is my brother.
Natasha Romanoff: He killed eighty people in two days.
Thor: He's adopted.
Steve Rogers: Stark, we need a plan of attack!
Tony Stark: I have a plan: attack!
Steve Rogers: Doc... I think now is the perfect time for you to get angry.
Bruce Banner: That's my secret Cap, I'm always angry.
Loki: I have an army.
Tony Stark: We have a Hulk.
Steve Rogers: Big man in a suit of armor. Take that off, what are you?
Tony Stark: Genius, billionaire, playboy, philanthropist.
Thor: Do not touch me again!
Tony Stark: Then don't touch my stuff.
Thor: You have no idea what you're dealing with.
Tony Stark: Shakespeare in The Park? Doth mother know you weareth her drapes?
World Security Council: Director Fury, the council has made a decision.
Nick Fury: I recognize the council has made a decision, but given that it's a stupid ass decision, I've elected to ignore it.
Thor:- I have unfinished business with Loki.
Hawkeye:- Yeah? Well get in line.
Captain America: There's only one God Ma'am and I'm pretty sure he doesn't dress like that.