There's a fight in a police station in which Rambo fights with a group of cops, and he beats them all up. One cop takes a strong elbow to the face and is seen with a bloody nose.
A cop runs into a booby trap in a forest. Nothing seen
Rambo jumps from a tree onto a cop, knocking him down, and strikes him on his arm while he's lying dazed on the ground, presumably breaking the cop's arm. He yells out in pain and calls for help, and is hit by gunfire in the arm by his fellow cops when they shoot at rambo but miss and hit him by accident. He's wounded but survives.
A cop is shown pinned to a tree by the wire held tight around his neck.
A cop is stabbed in the leg by Rambo. He cries out for help.
A cop fires a rocket launcher at a cave, causing a large explosion.
Rated R: For Violence, Strong Language, and Brief Nudity.
Rambo only kills one person in this movie, a police officer who's trying to shoot him in a helicopter, Rambo throws a rock of him, and he falls to his death, the guys bloody body is seen
A character jumps down from a tree with a spear and kills a pig with it. We hear the pig squeal as it happens, and the character is briefly seen walking away with part of its carcass, with the insides briefly visible.
R violence type: blood and brutal.
Rambo is shot at by a Sheriff's deputy who is hanging from the side from a helicopter; Rambo, in self-defense, throws a rock at the helicopter's window, which inadvertently causes deputy to fall from the helicopter.
Rambo wounds several police officers in the forest with a trap. All offscreen
Rambo shoots two of the police dogs with a rifle (offscreen, though we hear the dogs yelp in pain).
Rambo punches several policemen with his bare hands. No blood, not bad
Rambo steals a machinegun although he does not use it
In a flashback sequence, People die in the Vietnam War, probably most violent part in the movie.