Justice League Action (2016–) Batman, Superman and Wonder Woman lead a group of superheroes, the Justice League, into action in this animated series. The heroes must battle enemies that include space invaders and bizarre forces of magic as they try to defend Earth from the supervillains intent on destroying the planet. The heroes are up for any challenge as they embark on thrilling adventures. `Justice League Action' is part of the popular DC Universe of comic-book characters.