"Serving time for murder, highly decorated MACV-SOG soldier John Rambo is offered one more mission - return to Vietnam and locate American POWs. If successful, he will be released, and given a full Presidential pardon..."
— In-game biography
John James Rambo, simply known as John Rambo, is the protagonist of the Rambo film series. Rambo is featured as an Operator of the NATO faction in Call of Duty: Black Ops Cold War, Call of Duty: Warzone, as well as a playable character in Call of Duty: Mobile. Rambo was released on May 20th, 2021 during Season Three of Black Ops Cold War and Season 3: Tokyo Escape of Call of Duty: Mobile as part of the "Rambo Operator Bundle" which was available between May 20th and June 19th, 2021. In Black Ops Cold War and Warzone, the bundle returned during Season Six between October 8th and November 7th, 2021.
