Damon also confirmed he will be starring in the Coen Brothers remake of 'true grit' in the role of La Beouf.
"I feel like someday it's going to happen," he told Entertainment Weekly. "Paul's got to go to work, you know? He's ready to do another job, and it wasn't the right job now. I get it. I wouldn't do it without him but I don't feel like he's done with it totally."Collider
He added: "I think he'd change his mind if a good script came along. If there was a great Bourne idea, he would love to do it. It's a big part of his life, too. We're still going to keep working together - and hopefully on another Bourne movie, too."
How does the departure of Paul [Greengrass] influence the 4th Bourne movie?
MATT DAMON: I’ll just wait for him and when he wants to do one, we’ll do it.
What about LIBERACE? Are you doing it?
DAMON: Yeah. We’re definitely planning on shooting it this summer.
What about TRUE GRIT?
DAMON: Yeah, in March.
And who are you playing in that?
DAMON: The Glen Campbell character [La Beouf].
Who gets killed.
DAMON: Well it’s based very much on the book.
Are you saying it’s Greengrass or no Bourne?
DAMON: Yeah, I’ve always said that. But I think it will happen down the road. We just don’t have a script right now.