David Corenswet's slightly puppyish Superman radiates a joy in what he's doing, but he’s far from invincible. That lends the film emotional stakes.

Much of the fun and frustration of Gunn’s movie is seeing how he stretches and strains to make Superman, you know, interesting. In the latest revamp for the archetypal superhero, Gunn does a lot to give Superman (played with an easy charm by David Corenswet ) a lift.