Brainiac and Supergirl were both creations of Lex Luthor before they were rescued by Young Justice. Supergirl, being the cloned sister of Superboy, is almost immediately accepted, but Brainiac has a questionable background and unusual power that sets her apart from the others. As she and Supergirl join the team, will Young Justice eventually call her one of their own? KFXOC

For months Summer is trapped in a cellar with the man who took her - and three other girls: Rose, Poppy, and Violet. His perfect, pure flowers. His family. But flowers can't survive long cut off from the sun, and time is running out...