"Rambo" is a series of films starring Sylvester Stallone beginning in 1982 with "First Blood". John Rambo is a former vietnam vet and former U.S. Army Special Forces soldier who is skilled in many different things. His skills are put to the test to either help or defend himself.
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"Rambo: First Blood Part 2" followed in 1985 and "Rambo III" in 1988.
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A fourth film, "Rambo", was released in 2008. A fifth film, "Last Blood", is coming out in 2019.