Renner tells Entertainment Weekly, "This offer wasn't about a movie, this was about a life choice.
"In (new movie) Mission (Mission: Impossible - Ghost Protocol), it's a Tom Cruise movie. (Superhero film) The Avengers is ensemble-y, but it's (Bourne) is a game changer.
"I thought, 'This is going to affect how I walk down the street. It's going to affect what happens when I go into a restaurant.' I can't even believe I'm saying this, but is this going to affect the next 20 years of my life?
"As an artist, am I putting a nail in the coffin of my artistic sensibility?"