Bradley Cooper has said that Hangover III will be shot in autumn in 2012, and director Todd Philips is still working on the film.
The actor - who played the part of Phil in the first two instalments of the comedy - admitted he is keen to get to work on the third in the franchise, and doesn't think it will follow the same path as the previous films.
"I personally want to do it. I hope we're going to start shooting in September," Contactmusic quoted him as saying on the Graham Norton show.
"I think it will take place in Los Angeles and maybe not adhere to the structure. It might be different," he said.
Cooper had previously claimed he was very keen to appear in a third instalment despite the second being one of the hardest projects he has worked on.
"I'll do whatever Todd wants to do, he's the best, he's the greatest. And I love those guys and I love my character Phil so I would do it in a heartbeat," said.
"It was the hardest shoot I've ever done but I just love it. There's got to be a trilogy, you've got to close it up," he said.