What if you took a folk figure or a popular comic-book character—someone beloved enough to be the star of, say, a Disney cartoon—and made a film that cast them in a dark, even antiheroic light? Call it the “grim and gritty” take, or perhaps the “untold true story”; it’s the kind of reimagining that has befallen several storybook figures on-screen, such as Peter Pan and Hansel and Gretel. The saga of Robin Hood, the British outlaw, is particularly popular, and has been told many times over at