In a big chaos created by the Digging Superman, the Superman family Hercules Bob (voiced by Craig T. Nelson) and Elastic Superwoman Holly (voiced by Holly Hunter) and their children Xiaoqian (voiced by Sarah Vowell) and Xiaofei (voiced by Huck Milner) tried their best, but not only could they not catch the cunning enemy, but they also lost the support of the government because of the excessive damage to the city. Shortly thereafter, the telecommunications group tycoon Winston Deaver (voiced by Bob Odenkirk) found the Bob family through the cool ice man Lucius (voiced by Samuel L. Jackson), hoping to apply the company's cutting-edge technology to Superman to better maintain world peace. But Deaver only wanted to hire Holly, but Holly showed her prowess and became the idol of all Superman tribes, which made Bob, who was the nanny, unwilling. At this moment, a mysterious opponent quietly appears, and seems to be trying to destroy the new peace established by Holly...