The origins of the Justice League are explained as Detective John Jones and Batman try to discover what the 'Centre' is, Superman and Wonder Woman are soldiers for the United States Army, Flash is trying to live in a world were special agent King Faraday is hunting him and Hal Jordan has been selected to go with Task Force X to Mars.
高谭市的黑暗势力又开始蠢蠢欲动了，这次是毁了半边脸的“双面人”（汤米•李•琼斯 Tommy Lee Jones 饰）。一次，“双面人”袭击了马戏团，演员迪克（克里斯•奥唐纳 Chris O'Donnell 饰）阻止了“双面人”的阴谋，家人却因此惨遭杀害。 布鲁斯（瓦尔•基尔默 Val Kilmer 饰）收留了迪克，并说服了满腔仇恨的迪克留了下来。因研究计划被拒绝而仇视韦布斯的公司职员爱德华（金•凯瑞 Jim Carrey 饰）成功研究出脑波吸收装置，化身成为“谜语侠”。 “双面人”和“谜语侠”联手破坏高谭市，并通过脑电波吸收装置大量吸收市民的脑电波。蝙蝠侠这次的对手强大得可怕，蝙蝠侠最终能否战胜罪恶？
