Stallone wrote and starred in 'First Blood,' introducing the character of John J. Rambo, a PTSD-plagued soldier.

Stallone continued the 'Rambo' series with 'Rambo: First Blood Part II,' which he also wrote.

The series continued with 'Rambo III,' again written by and starring Stallone.

After a long hiatus, Stallone returned to the 'Rambo' franchise with 'Rambo,' which he also directed and wrote.

The final installment of the 'Rambo' series, 'Rambo: Last Blood,' was written by and starred Stallone.