Jeremy Renner Is Back In The Hawkeye Costume! But What Is He Teasing??

Jeremy Renner is making us quiver with excitement! The Avengers: Age Of Ultron star took to Twitter to tease a project of some kind, but he won't tell us what! [ Video: Marvel Announces The Next Avengers: Age Of Ultron Trailer! ] All we know is it's a Hawkeye type of situation! And that usually means trouble! Jeremy tweeted: