In “LEGO Marvel Super Heroes: Avengers Reassembled!,” the Avengers are getting ready for a celebration at Stark Tower when they realize something is off with Iron Man’s behavior. Upon further investigation, they uncover that the villainous Ultron has seized control of Iron Man and his suit as part of a plan to dominate the world. Captain America, the Hulk, Thor, Vision, Black Widow, Hawkeye, along with their allies Spider-Man, Iron Spider, and special guest Ant-Man, must work together to free Iron Man from Ultron’s grasp and stop the villain from wreaking further havoc and destruction.