From Avengers: Endgame to Wonder Woman, comic book movies reign supreme at the box office. But not every movie based on a comic book managed to go up, up, and away. Some of them never made it past the development stage. Others languished for years before unceremoniously dying. Join Dan Casey on a brand new episode of Explainiac as he dives deep into 10 comic book movies that almost got made...but ultimately didn't. | Nerdist