Hawkeye (Clint Barton; also known as Goliath and Ronin) is a fictional character, a comic book superhero that appears in comic books published by Marvel Comics. Created by writer Stan Lee and artist Don Heck, the character first appeared as a villain in Tales of Suspense #57 (Sept. 1964) and later joined the Avengers in Avengers #16 (May 1965). He has been a prominent member of the team ever since. He was also ranked at #44 on IGN's Top 100 Comic Book Heroes list.
Hawkeye is portrayed by Jeremy Renner in the Marvel Cinematic Universe, a shared fictional universe that is the setting of films produced by Marvel Studios. Renner first made an uncredited cameo appearance as Hawkeye in Thor (2011) and later reprised the role in The Avengers (2012); he is set to return to the role a third time in Avengers: Age of Ultron (2015).