Thanks to Superman and the second season of Peacemaker , James Gunn’ s new DC Cinematic Universe — aka, the DCU — now has a firm underpinning of gods and monsters. But those two projects, along with the animated Creature Commandos , are just the first few pages of Gunn’s opening chapter. The next page is July’s Supergirl .

Of course, the film isn’t Kara Zor-El’s first silver screen outing. A 1984 film starring Helen Slater as Superman’s cousin failed to garner enough interest to keep her own series or even the then-current Superman films aloft. But Slater would be honored for her work by portraying Kara’s ( Melissa Benoist ) adoptive mother, Eliza Danvers, on The CW’s Supergirl series — a program that also proved the character can play well with other DC he

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