The Origin Story: When the lawman of a small town when arrests and abuses a Vietnam veteran suffering from survivor's guilt and post-traumatic stress, he's soon taught a lesson by the experienced soldier.
Essential Elements Introduced: A soldier with exceptional strength and stamina, Rambo is an expert in guerrilla tactics and hand-to-hand combat. And he wears and headband and likes really big knives. That is all.
Saved For The Sequels: He might have come to terms with his past, but Rambo nevertheless remains willing to do violence to save his friends and the people he cares about from any danger. So you can imagine what happens when he heads off to rescue some fellow POWs.