Goofs

When Quinn and Campbell meet "Not Mr. Huang" in the abandoned warehouse, Quinn takes cover behind a white support beam when fired upon. In the first close-up of Quinn we clearly see three bullet holes in the support beam. The next cut-scene with Quinn reveals that the three bullet holes have disappeared, and instead been replaced with one bullet hole on the side of the beam. In the last close-up of Quinn, the three bullet holes have reappeared.

When Axel is shooting a bad guy with a M-16, you can see in the close up picture that the dust cover on the rifle is still closed, it opens automatically when you shoot

In the warehouse fight with Quinn,Campbell & not Mr Huang The black Merc driven by Campbell has the California license plate B478YMN.Shortly after,Axel leaves the house in a gray Chevy pick up with the same plate.