Sony’s upcoming Helldivers movie remains in development, and now a key piece of news has surfaced. According to Deadline, Reacher star Alan Ritchson will replace Jason Momoa as the lead, following Momoa’s departure earlier this year. Justin Lin, known for his work on the Fast & Furious and Star Trek franchises, remains attached to the Helldivers movie as director. Alan Ritchson in Reacher.