Lego Marvel Super Heroes: Avengers Reassembled is a computer animated Lego film based on Marvel Comics characters that appeared in Lego Marvel Super Heroes and Lego Marvel's Avengers. The film first aired on Disney XD as a 5 part episode series from 14 - 18 December 2015. As the Avengers (consisting of Captain America, Thor, Iron Man, Hulk, Black Widow, Hawkeye, and Vision) prepare for a party at Avengers Tower, it has comes to Captain America's suspicion that Iron Man has been acting strangely during the preparation of the party. After some investigation, it is discovered by the Avengers thatUltron has gained control of Iron Man's armor with the help of Yellowjacket and plans to take over the world. Planning to conquer the planet, Loki gathers a band of supervillains and challenges the Marvel superheroes.