When Mera's hometown of Atlantis mysteriously vanishes, she and her friends search for the missing city, leading them to the supervillain Brainiac.

Teenage loner, pre-Batman Bruce Wayne hones his detective and combat skills as he scours the underbelly of Gotham looking for clues, and begins building the Batmobile while still processing the pain of his parents' death.

"Wonder Woman, Harley Quinn, Katana, Bumblebee, Supergirl, and Batgirl rush to finish their comic about themselves for June Moone's art class, but when Harley Quinn spills Ms. Moone's magic paint on their pages, their art comes to life-and these super dopplegängers are super-villains!

Jessica Cruz, Earth's new Green Lantern, travels to Oa to introduce herself to the Green Lantern Corps, but finds that the evil General Zod has taken over the planet.