This is an alternate universe where the Justice League use lethal force to maintain order on Earth. Batman, Superman and Wonder Woman are not who you are familiar with. An animated movie is expected at the end of the month and will shine an altogether darker light on these super heroes.
In an alternate universe, the Justice League is a brutal force that maintains order on Earth. Superman is named Hernan Guerra and is the son of General Zod, who was rocketed to Earth as a child and raised by a family of Mexican immigrants. Batman is Kirk Langstrom, a scientist who has inadvertently transformed himself into a vampire in an attempt to cure his cancer, feeding on criminals to satisfy his hunger. Wonder Woman is Bekka, who is the wife of the New God Orion. The Justice League’s unaccountability is ultimately challenged by the world’s governments following the suspicious deaths of renowned scientists. (Wikipedia)
There’s a series of comic books too. Here’s a sneak peek at the first Superman one. Looks great!