Reviewer's grade: B
Those uncomfortable with heavy violence, gratuitous sex and scenes of infants in peril are going to hate "Shoot 'Em Up." For all others, enjoyment will rest on one's tolerance for a cartoon without the animation.
Michael Davis' quasi-tribute/spoof to exaggerated action cinema fires on all cylinders from the get-go, but with a caffeine high comes the inevitable crash - in this case, a tone that strikes as many right chords as wrong ones. For preposterous situations aimed to elicit laughter, quicken the pulse and offend the fainthearted, audiences will be hard-pressed to find a better alternative.
More storyboarded than scripted, the movie somehow attracted two Oscar nominees in Clive Owen and Paul Giamatti, both who play their one-dimensional roles to the hilt and give it more class than it ever wanted. R