Justice League of America (2017-) #1 (NOOK Comics with Zoom View)

Meet the Extremists-self-proclaimed saviors from another Earth, they thirst for peace, prosperity and total submission to the will of their leader, Lord Havok! How can the newly assembled JLA stop this group of misguided maniacs before the Extremists unleash their own unique-not to mention dangerous!-brand of law and order on our chaotic world?