Iron Lung

About Iron Lung

In a post-apocalyptic future where an event known as "The Quiet Rapture" caused all known stars and habitable planets in the universe to disappear, a convict is sent to search an ocean of blood discovered on a desolate moon, using a small submarine nicknamed the "Iron Lung".

Mark Fischbach's Iron Lung is a 2026 horror mystery film. The film is filed under post-apocalyptic future, space, future, and anxious.

Mark Fischbach takes the lead as Simon, Caroline Kaplan as Ava, Troy Baker as David, and Elsie Lovelock as SM-8 Research Lead. It runs 125 minutes and was released in January 2026.

The screenplay is by Mark Fischbach. Produced by Markiplier Studios. It is adapted from a video game.

The Call of Cthulhu, How to Train Your Dragon: The Hidden World, and Dark Waters make useful companions to Iron Lung, all filed under dramatic, foreboding, and grim. TMDB voters put it at 6.8 out of 10 across 475 votes and it carries a R rating.