Bullet feels like a misguided attempt; a shot that nearly finds its target. It's surprising how difficult it can be to botch a film featuring Mickey Rourke, Tupac Shakur, Adrien Brody, and Ted Levine – yet somehow, this one misses the mark. A significant disappointment is how little screen time Tupac Shakur has, even though he manages to dominate every scene he’s in; he and Rourke share only a few of those scenes. It…