What is James Gunn doing to follow up Superman? After months of teasing, the DC Studios president revealed that he’s making Man of Tomorrow, featuring Superman and Lex Luthor, which will be in theaters July 9, 2027. Gunn’s tweet, embedded below, didn’t offer much else besides the title and release date but his stars, David Corenswet and Nicholas Hoult both posted similar images of Superman and Lex so, obviously, they’ll both be returning. You can see those images here and here. This story is developing…