Considering all the added characters, there will be plenty of new faces in Supergirl season 2, but Project Cadmus will be a carryover from season 1.
Now, we have an idea of who the villain of season 2 will be when Supergirl returns, this time airing alongside Kara’s fellow DC heroes on The CW.
It remains to be seen what characters will be introduced as working with Project Cadmus, but a number of new heroes and potential villains have already been announced for season 2 of Supergirl.
“[Project Cadmus is] dedicated to eradicating alien life on Earth.