Supergirl debuted last week and following the season four premiere, the CW released the first promo for the season’s second episode titled, “Fallout”.
The video promo highlighted the chaos that is about to erupt via the team up of Mercy Graves (Rhona Mithra) and Agent Liberty (Sam Witver) in order to instill fear in the heart of the Supergirl of National City.
Episode two of Supergirl on the CW debuts on October 21st so watch the video below to prepare for the mayhem that is coming to National City.