Following a brutal series of murders taking place on Halloween, Thanksgiving, and Christmas, Gotham City's young vigilante known as the Batman sets out to pursue the mysterious serial killer alongside police officer James Gordon and district attorney Harvey Dent.

As Gotham City's young vigilante, the Batman, struggles to pursue a brutal serial killer, district attorney Harvey Dent gets caught in a feud involving the criminal family of the Falcones.

Kara, devastated by the loss of Krypton, struggles to adjust to her new life on Earth. Her cousin, Superman, mentors her and suggests she leave their space-time to attend the Legion Academy in the 31st century, where she makes new friends and a new enemy: Brainiac 5. Meanwhile, she must contend with a mysterious group called the Dark Circle as it searches for a powerful weapon held in the Academy’s vault.

Recently discharged Marine sniper John Stewart is at a crossroads in his life, one which is only complicated by receiving an extraterrestrial ring which grants him the powers of the Green Lantern of Earth. Unfortunately, the ring doesn't come with instructions - but it does come with baggage, like a horde of interplanetary killers bent on eliminating every Green Lantern in the universe. Now, with the aid of the light-hearted Green Arrow, Adam Strange and Hawkgirl, this reluctant soldier must journey into the heart of a galactic Rann/Thanagar war and somehow succeed where all other Green Lanterns have failed.

Death is coming. Worse than death: oblivion. Not just for our Earth, but for everyone, everywhere, in every universe! Against this ultimate destruction, the mysterious Monitor has gathered the greatest team of Super Heroes ever assembled. But what can the combined might of Superman, Wonder Woman, Batman, The Flash, Green Lantern and hundreds of Super Heroes from multiple Earths even do to save all of reality from an unstoppable antimatter armageddon?!