Homophobic humor; a black thief repeatedly discusses racism ("always blame the black man"), and his associates repeatedly call him "crazy" bad jewel thieves, corrupt detective, and an extremely upright marine who breaks multiple rules and laws to achieve his ends.
Frequent explosions (vehicles and buildings); weapons include guns (shotguns, handguns, automatic), hatchet, grenades, knives, hammers, chainsaw, shoulder-mounted missile; bloody WWE-style fights, with stomping, kicking, body-slamming, and bodies leaping or thrown through glass or wooden walls; first scene shows blindfolded hostages in Iraq who are about to be killed when John roars in to save them; alligators grab one villain's body; women's fight includes kicking, punching, hair-pulling; woman nearly drowns handcuffed inside a submerged truck; badly burned villain attacks hero, who breaks his neck with a huge chain; at least three allusions to the rape in Deliverance.
Brief sex scene in bedroom (romantic/silhouetted upper bodies) and on kitchen counter (wife in bra and panties, husband in boxers); a shot through a woman's black-stockinged legs as she seduces her lover; women wear tight, cleavage-revealing tops; villain propositions female hostage; climactic clinch/kiss when the hero rescues his wife.
One "f--k," plus two or more uses of assorted other profanity ("bastard," "bitch," "hell," "s--t," "son of a bitch," "damn," "ass").
Coca Cola logo, Miller beer labels.
Beer drinking, cop car's bumper sticker refers to "drug dealer."