当侏儒怪试图一劳永逸地接管地球时，为了打败他，复仇者联盟的格林必须穿越时空追踪他。

When Rumpelstiltskin tries to take over Earth once and for all, The Avengers Grimm must track him down through time in order to defeat him.

当地球受到危害时，复仇者们再度集结，共同保卫家园。