Without the Girl of Steel, Reign doesn’t seem to have anybody powerful enough in National City to oppose her.
Kara was left comatose, which was both very bad for her as an individual and for National City.
Fortunately, Kara and the folks at the DEO have some superpowered connections to a group known as the Legion of Super-Heroes, and a new trailer for the midseason premiere indicates that Brainiac will be joining his fellow members.
Supergirl will soon return to the airwaves for the second half of Season 3, and fans will get to see what happens next after the heartbreaking ending of the midseason finale that saw Kara brutally beaten by Reign.
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Supergirl 3x10 Extended Promo "Legion of Superheroes" (HD) Season 3 Episode 10 Extended Promo