TMDb/Detective Conan: Black Ir Movie Discover how Markiplier's indie horror film Iron Lung shocked Hollywood with a $50M global box office, premiering in 4,000+ theaters without a distributor. May 2, 2026 AceShowbiz - Iron Lung marks a groundbreaking moment for indie horror cinema with its remarkable $50 million global box office success. Directed by Mark Fischbach, better known as Markiplier, this film shattered expectations by premiering in over 4,000 theaters worldwide without the backing of a traditional distributor, setting a new precedent in the film industry.