本片作为《超人之死》的续集，主要讲述了超人与“毁灭日”这个劲敌战斗死去之后，超人的遗体却意外消失无踪，同时出现了四位超人头衔的竞争者，分别是： 超人的DNA制造出的復制超人——小超人、使用自制高科技裝甲的钢铁人—

Kara, devastated by loss of Krypton struggles to adjust her new life on Earth. Superman mentors her. Meanwhile, she must contend with a mysterious group called the Dark Circle who searches for a powerful weapon held in the Academy's vau