official release date : July 9, 2010!!!!!
the movie profile page has a lot of errors. I've submitted some corrections and hope they can be approved soon.
1. official release date : July 9, 2010
2. country and regions: China, Hong Kong
3. language(s): Chinese (no Cantonese).
1st pre-trailer
http://www.youtube.com/watch?v=fFF1L6HoThY
2nd trailer
http://www.youtube.com/watch?v=uJ6gec-sXr8