The skyline city in the opening scene is not Hong Kong, but Shanghai.
FDR (Chris Pine) calls Tuck (Tom Hardy) about a CHiPs (1977) marathon. Chris Pine's father, Robert, was a cast member on CHiPs (1977).
The bachelor pad of FDR (Chris Pine) had to reflect his expensive and exotic tastes, so the production found a converted penthouse with a swimming pool in the ceiling of the apartment in the Chinatown district of Vancouver, British Columbia. The pool had a glass bottom, making the pool visible from the downstairs dining room. When Production Designer Martin Laing showed the apartment to Director McG, the latter looked up and was astonished to see the pool, and a beautiful girl in a bikini doing laps, which Laing had prearranged.
The U.S. theatrical version was cut for some sex jokes to achieve a PG-13 rating. International theatrical versions were released uncut. However, the cut version was used for home video releases worldwide.