Iron Man and Captain America: Heroes United is Marvel Animation's 2014 animated feature film based on the Marvel Comics named in the title.
Red Skull (Liam O'Brien) and Taskmaster (Clancy Brown) hatch a scheme to rid themselves of Captain America (Roger Craig Smith) once and for all by obtaining some Stark Technology and using it against him. Iron Man (Adrian Pasdar) sets out to track down his stolen tech and teams with Cap to stop the villains.
The movie is the second and final entry in the Marvel's Heroes United series of CG-animtated, direct-to-home video movies.