I bought Mercenaries 2 yesterday and on playing it the IA seems to be messed up. For instance people only shoot at you when your in a car, then when you get out they continue shooting at the car and don't give you a second look

could this be a problem just on my disk?
It's funny playing the game because some of the graphic like the water are real good but alot of the graphics are pretty poor, it's almost like the game isn't quite finished.
Anyone else got a copy