Watch The Supergirl 4×12 Promo “Menagerie”

A brand new promo for the upcoming episode of Supergirl has been released. This new episode is titled “Menagerie” and it will air on February 17.

In this new episode, Nia tests out her new suit by helping Supergirl track down the villain killing people all over the city. All the while, Jessica Meraz makes her debut appearance as Pamela Ferrar, better known as Menagerie.