According to a poster here at the site Rodney Yip, Sylvester Stallone and Jet Li are heading to Hong Kong this Sunday though that is not officially confirmed.
In an interesting side thread out of this story its being reported that Arnold Schwarzenegger and Bruce Willis are mentioned by the Chinese sources as possibly being part of the shoot but the English translation hasn't been able to 100% verify the stories. They could just be being mentioned as stars of the movie. Could Arnold and Bruce be headed for Hong Kong? Yes its possible but by no means is it officially confirmed. But then again, nothing related to this movie really has been without great struggle. But bottom line, we are all extremely excited and when we can all finally see this movie no one will remember or care how the news of it came about.
Thanks To Rodney Yip & EX2Blog For The Info!!