One special appearance is none other than Superman's ( David Corenswet) cousin, Supergirl ( Milly Alcock ). Alcock is taking on the mantle of the Woman of Tomorrow and joins other incredible actresses who've given life to this adored character,

Audiences who came to theaters this month to watch Superman (and based on the box office numbers, there were a lot of you) already saw Alcock's Kara Zor-El make her grand entrance

Gunn's latest, starring David Corenswet as the Man of Steel alongside co-stars Nicholas Hoult as Lex Luthor and Rachel Brosnahan as Lois Lane, has received rave reviews from fans and critics alike. So, naturally, the question on everyone's mind is, “when is Supergirl coming out?”