Fuelled by his restored faith in humanity and inspired by Superman's selfless act, Bruce Wayne and Diana Prince assemble a team of metahumans consisting of Barry Allen, Arthur Curry and Victor Stone to face the catastrophic threat of Steppenwolf and the Parademons who are on the hunt for three Mother Boxes on Earth.

正义联盟（下）是华纳兄弟影业和DC娱乐联合制作的超级英雄电影，为《正义联盟》下集，聚集了DC漫画旗下几乎所有知名的漫画英雄，包括蝙蝠侠、超人、闪电侠等等，众多英雄们聚集在一起除暴安良，保卫地球。据传反派为达克赛德。