Markiplier's Thrilling Horror Film 'Iron Lung' Hits Theaters in January 2026: Watch Final Trailer

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Mark Fischbach, aka Markiplier, is making his directorial debut with the horror movie 'Iron Lung', a thrilling adaptation of the video game of the same name. The film is set to hit select US theaters on January 30, 2026, after the release of its chilling final trailer. The movie is based on David Szymanski's game, where a convict is trapped in a submarine on a barren moon, only to discover a 'blood ocean'. The game's dark and claustrophobic setting has been brought to life in the film, with the trailer showcasing the main character's desperate journey as the submarine encounters a series of catastrophic failures. Markiplier, a popular YouTuber with over 40 million subscribers, is not only directing the film but also writing, producing, and acting in it. He is self-distributing the movie, which is expected to be screened in 50 to 100 independent venues across the US. The movie also stars Seán McLoughlin, Caroline Rose Kaplan, and David Szymanski. Iron Lung is set in a dystopian world where the stars have disappeared, and only individuals on space stations or starships remain. The story revolves around a submarine expedition to a barren moon, where the crew hopes to find desperately needed resources. However, their journey quickly descends into chaos as they encounter a series of irregularities and catastrophic failures. The movie's official synopsis reads, "The stars are gone. The planets have disappeared. Only individuals aboard space stations or starships were left to give the end a name — The Quiet Rapture. After decades of decay and crumbling infrastructure, the Consolidation of Iron has made a discovery on a barren moon designated AT-5. An ocean of blood.