If Kara (Benoist) and Lena (Katie McGrath) have any chance of defeating the double-threat of Gamenmae (Cara Buono) and Leviathan, and … of course… Lex Luthor (Jon Cryer), they're going to need to get the band back together: Brainiac (Jesse Rath), Alex (Chyler Leigh), J'onn (David Harewood), Dreamer (Nicole Maines), and Kelly (Azie Tesfair)[...]