Markiplier’s ‘Iron Lung’ To Debut On YouTube After $50M Theatrical Run

BusinessMediaMarkiplier’s ‘Iron Lung’ To Debut On YouTube After $50M Theatrical RunByRick Ellis,Contributor.Forbes contributors publish independent expert analyses and insights. The global media business, from streaming to linear TVFollow AuthorMay 18, 2026, 09:17am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.An image from the movie "Iron Lung"Courtesy of Markiplier, 2026Iron Lung, the horror feature film from filmmaker and content creator Markiplier, will debut on YouTube on May 31st after a successful theatrical run.The film opened in nearly 3,000 theaters worldwide in late January and the box office ultimately topped $50 million. Which is an impressive return for a project that reportedly was budgeted around $4 million.Markiplier announced the film’s YouTube premiere during a panel on creators. It will be available for purchase exclusively on the streamer, but no price point was announced at the event.Based on the breakout indie horror game of the same name by David Szymanski, here is the official logline of the film:“In a post-apocalyptic future after "The Quiet Rapture" event, a desperate attempt to explore an ocean of blood on a desolate moon unfolds when a convicted individual is sealed inside a decaying submarine nicknamed the Iron Lung — a descent into dread that becomes as psychological as it is physical.” Mark Fischbach, better known as Markiplier, directed and stars in the film. Co-starring are Caroline Rose Kaplan, Troy Baker, and Elsie Lovelock. A number of other creators have released films to the theatrical film market in the past 3-5 years, but Iron Lung is by far the most successful example of the trend. And its success is due to a combination of an established fanbase and the willingness to spend the time to fully develop the idea before beginning production.Markiplier has spent more than a decade on YouTube, and has more than 38 million subscribers a...