Disney has run into a problem with their live-action adaptations lately. Their live-action versions of Beauty and the Beast, Aladdin, and The Lion King have been box office hits, but surprisingly lifeless. They’ve cared more about addressing bad-faith arguments of YouTubers concerned with plot holes than actually finding a way to tell a new story. Niki Caro’s adaptation of 1998’s Mulan doesn’t have this problem. Although Caro largely follows the same beats of the original, the new version feels vibrant and unique. It knows where to discard elements of the animated feature, strike …