kahlanhbic Follow Supergirl/Flash Crossover AU:Caitlin transforms into killer frost in front of Kara in a bar and she goes to help her.#caitlinsnowedit#killerfrostedit#karadanversedit#supergirledit#supergirl au#flashedit#flash au#caitlin snow#killer frost#kara zor-el#supergirl crossover#flash crossover#kara x caitlin
