Justice League New Frontier on DVD February 26th, 2008. Saving Humanity for the Very First Time! Based on Darwyn Cooke's award-winning graphic novel, this thrilling adventure reveals the origin of the Justice League. With Cold War paranoia putting Superman, Batman, and Wonder Woman under government suspicion, only the gravest threat imaginable can force these heroes - along with an army of newcomers including The Flash, Green Lantern and Martian Manhunter - to unite in a spectacular showdown to save the wor