Reviews provided by RottenTomatoes
New York Times:
To anyone who doesn't share the camera's adoration, this sort of behavior becomes so comic that Rambo turns into something of a camp classic.
A thoroughly unpleasant project, quite apart from its creepy populist posturing (Stallone seemed determined to become the Huey Long of the movies).
The body count is rising, Sly's pecs are blowing up, and Rambo himself is becoming more of a brand-name than a character, a mascot for masochism and murderous self-assertion.