American Ninja (1985)
American soldier, obviously very skilled in martial arts, single handedly takes on mercenaries in the Philippines
American Ninja 2: The Confrontation (1987)
On a remote Caribbean island, Army Ranger Joe Armstrong investigates the disappearance of several marines, which leads him to The Lion, a super criminal who has kidnapped a local scientist and mass produced an army of mutant Ninja
American Ninja (1985)
American soldier, obviously very skilled in martial arts, single handedly takes on mercenaries in the Philippines
American Ninja 3: Blood Hunt (1989)
A man newly trained in the martial arts must save his trainer from experimentation
American Ninja 4: The Annihilation (1990)
The two American Ninjas, Joe Armstrong and Sean Davidson, team up to do battle against a terrorist and his band of Ninjas