Wikimedia Commons/John Rambo movie Movie A new Rambo prequel is in the works, exploring John's early days as a Green Beret in the Vietnam War before the events of First Blood. April 27, 2026 AceShowbiz - John Rambo is gearing up to explore a new chapter in the legendary action franchise created by Sylvester Stallone. The upcoming film serves as a prequel to the original 1982 classic First Blood, offering audiences a fresh perspective on the iconic character's early days as a Green Beret during the Vietnam War.