The greatest super heroes of all time team up in the 21st century to battle intergalactic villians. Martian Manhunter comes to Earth to warn of an impending alien invasion. With the help of Superman and Batman, he enlists the world's greatest heroes to fend off the unstoppable invading force.

What would the Gotham City of one hundred years ago have been like?. In an age of mystery and superstition, how would the people of Gotham react to a weird creature of the night, a bat-garbed vigilante feared by the guilty and the innocent alike?. Some would live in terror. Others would rest easier. Only one man would take no notice at all, a man with other matters to attend to. His name?. No one knows for sure. Most people know him only as...

When Mr. Whisperer, who was brutally murdered twenty years ago, returns and begins killing off the most notorious crime lords in the city, Batman must find a way to stop him before he unleashes a plague on Gotham.

Fueled by his restored faith in humanity and inspired by Superman's selfless act, Bruce Wayne enlists the help of his newfound ally, Diana Prince, to face an even greater enemy. Together, Batman and Wonder Woman work quickly to find and recruit a team of metahumans to stand against this newly awakened threat. But despite the formation of this unprecedented league of heroes it may already be too late to save the planet form an assault of catastrophic...