Lena Luthor is in Trouble in New Supergirl Promo For Episode 12

Easily one of the best episode of the season, last night episode of Supergirl ended with a heartbreaking sacrifice as Livewire sacrificed herself to save a powerless Kara from one of Reign’s deadly blast.¬† During the final hour of the episode, Sam revealed to Alex that she has been losing time and the next two¬†World-killer was teased.

Next Week episode shifts focus to Lena Luthor (Katie McGrath) as she comes under attack. We’ll also get to see more of Alex (Chyler Leigh) attempting to discover what’s wrong with Sam. The Guardians also suits up for the first time in a long time this season.

Check out the promo below titled:“For Good”