Good day, Mr. Hawkeye. [A codename is far less troublesome to use when matters of formality are to be considered.] My name is Jeeves. I regret we did not have opportunity to meet upon your first arrival.

I see others have offered the relevant solutions to your arrow dilemma, but I also noted your conversation with Her Royal Highness, Princess Luna. Are you, perhaps, familiar with a gentleman named Mr. Bruce Banner. He appeared to be an associate of Mr. Stark's.