DC/Warner Bros.’s latest superhero movie, Aquaman, manages the impressive trick of being both too long and too short. Before you get to the end of it, you’ll have the feeling that you’ve been tricked into starting an epic series of novels, yet there’s also an ongoing feeling that the amount of story it’s trying to fit in exceeds the amount of minutes it’s prepared to devote to it.
(Spoilers beyond this point, but not too many.)