Even if Kara ends up with a pretty full plate, “Luthors” also looks to balance the hour with a Valentine’s plot for Alex and Maggie: After Metallo (guest star Frederick Schmidt) breaks out of prison and frees Lillian Luthor (guest star Brenda Strong), the police blame Lena (guest star Katie McGrath) for his escape and arrest her.
A new synopsis for the show’s Valentine’s day hour reveals how Metallo to include both Lillian (Brenda Strong) and Lena (Katie McGrath) Luthor.
Next week’s Supergirl will bring back Brit Morgan’s Livewire to the fold, but what of the other returning baddies we were promised?
You can watch the trailer for next Monday’s “We Can Be Heroes” below, and stay tuned for the latest.