Iron Man & Captain America: Heroes United will be a sequel to the film Iron Man & Hulk: Heroes United and feature Iron Man teaming up with Captain America. It will come out some time in 2014, likely to accompany the live-action film Captain America: The Winter Soldier. It was first announced on December 14th, 2013 with Marvel Entertainment releasing a clip through Amazon's page for Iron Man & Hulk: Heroes United. [1]