B+

Here’s a word you don’t hear very often in reviews of superhero movies: “Shazam!” is adorable. Oh, yes, it’s exciting and has great fights and special effects and a good bad guy and all that. But it is also wildly entertaining, downright delightful, and, yes, adorable. This is an especially welcome development from DC Comic and Warner Brothers, which have tended toward the it’s-depressing-so-it-must-be-profound side of superhero stories…