James Gunn & ‘Superman’ Cast Tease Clip From Film: Plus Robots, Monster Babies, & Giant Kaiju

James Gunn, David Corenswet (Clark Kent/Superman), Rachel Brosnahan (Lois Lane), and Nicholas Hoult (Lex Luthor) went on stage at the CinemaCon in Las Vegas to show the audience never-before-seen footage from Gunn’s highly anticipated Superman film. The clip seemingly mirrored…