Conversation so far:
who played jeremy renner's wife in avengers age of ultron
Linda Cardellini played Laura Barton
what's Laura Barton's role in the film Avengers Age of Ultron
Laura Barton is Hawkeye's wife.
who is the character Hawkeye
Hawkeye is a fictional superhero appearing in American comic books published by Marvel Comics.

Question: what does he do in Age of Ultron
Self-contained rewrite: what does Hawkeye do in Age of Ultron