Cannibal Campout

Cannibal Campout is a 1988 horror film written and directed by Jon McBride, and codirected by Tom Fisher.

After the encounter with the backwoods duo revealed to be the brothers of the fighter helmetwearing man, Joe the quartet set up near some abandoned cabins, while the hillbillies murder wouldbe pranksters John and Ray. After wandering off alone to get her cigarettes, Carrie is killed by Gene and Joe, and her friends are captured while looking for her. Jon is knocked out in a fight with Joe, and disemboweled and eaten by the brothers, who force feed the other captives some of his innards. When Gene and Joe leave with Jons body, Rich butchers Chris, and tries to rape Amy, but is stabbed with his own knife, and left for dead.Traversing the wilderness, Amy encounters Joe, and during the ensuing scuffle pulls off his helmet, revealing his disfigured face. After Joe runs off, Gene and the recovered Rich recapture Amy, and cut out and eat her unborn child. An unknown amount of time later, the brothers are shown partaking in an unsuccessful hunt, and when Rich suggests they merely get fast food, Gene scolds him, reminding him that they promised their mother they would never eat those chemicalsoaked foods. When Rich continues to complain, Gene and Joe become annoyed, and seemingly decide to eat him. ........

Source: Wikipedia