As cliffhangers go, the one in the Supergirl finale was pretty low key. After a saccharine sweet family dinner, the cast sees a Kryptonian pod arcing through the air. Kara and J’onn toot over to investigate, and the last shot is of Kara’s mixture of confusion and delight.
Source: io9 – Could This Edgelord Kryptonian Be Lurking in Supergirl’s Pod?