Supergirl Takes On Lillian Luthor & Metallo In New Supergirl “Luthors” Sneak Peek

A brand new sneak peek from Supergirl has been released. This new episode is titled “Luthors” and it will air tonight, February 13.

In this new sneak peek, Supergirl takes on Lillian Luthor and Metallo. However, things go south when innocent people get involved in the battle.