“ John Rambo ,” a prequel in the long-running action franchise, will hit theaters next summer. Lionsgate has slated the film for June 4, 2027. It’s scheduled to debut just ahead of Disney’s “Star Wars: Starfighter” (May 28) and a few weeks before Sony’s “Spider-Man: Beyond the Spider-Verse” (June 11) and the Warner Bros. “Oceans” prequel (June 25). “John Rambo” serves as an origin story, taking place before the events 1982’s “First Blood,” the Sylvester Stallone-led action adventure that