This article was originally published on bamsmackpow.com as DC unveils first look at their next big project after Superman.

Superman director James Gunn opens up more on Supergirl's big secret cameo with Milly Alcock in David Corenswet's DC Universe movie from DC Studios.

Superman director James Gunn has explained his reasoning behind Supergirl's DCU debut in the movie, and also weighs in on ...