The Iron Lung movie based on the video game from YouTube creator Markiplier continues to put up massive numbers at the box office.
In its second weekend, Iron Lung brought in an addition $6.2 million from 2,930 theaters across the US, Variety reported. The movie cost an estimated $3 million to make, and with a worldwide haul of more than $34.2 million from all markets combined, it's a huge hit.
Markiplier, whose real name is Mark Fischbach, funded the movie himself. He also wrote it, stars...