"How did you guys feel about Ultron? Do you think that he's going to come back for a round 2?"

Nat: Its the same as a Budapest mission.

Clint: We both remember that differently.

Nat: Besides saving the world was one thing...him getting me locked up was a different thing.

Clint: Oh...that...yeah I remember that.

Nat: And for him to come back he would have to reboot and Tony locked him out of everything in the world from him.