Apple TV has a slate of big-budget, star-packed movies coming later this year , including a new spy thriller called Mayday that stars Ryan Reynolds. Here are the details. Mayday is a new Ryan Reynolds movie coming to Apple TV in September Apple’s next movie premieres later this month from first-time director John Travolta. But after that, summer will be huge for TV shows but fairly sparse for new films. To kick off a busy fall though, Apple TV has a new film that it calls a “genre-bending, action-packed buddy comedy that flips the spy thriller on its head.” Mayday premieres Friday, September 4 on Apple TV. The new movie stars Ryan Reynolds and Kenneth Branagh playing soldiers on opposite sides of the Cold War who form a surprising friendship. Here’s Apple’s official plot summary: When hotshot U.S. Navy pilot Lieutenant Troy “Assassin” Kelly (Reynolds) is sent on a top-secret mission into Russian territory at the height of the Cold War, the operation implodes, leaving him stranded behind enemy lines.…