Movie Development Hell: It's a place of torment with so many circles, Dante couldn't have counted them with all the abaci in Italy. Some movies make it out of this netherworld and onto movie screens after many long years of being tossed around between studios, like 'Dumb and Dumber To,' a two-decades-in-the-making sequel, or 'Ender's Game,' which took 28 years to get the green light. And every once in a while, news leaks of a new development in a long-gestating project. Such was the case this week, with a significant development in perhaps the most closely watched of would-be movies: 'Ghostbusters 3' — read the slide to get the latest news. Here's a look at some of the most famous movies never made (ranked by their length of time in hell): purgatorial projects for which we've long since stopped holding our breath, even if in the film business, hope, like damnation, springs eternal.