Captain America: The First Avenger is a 2011 American superhero film based on the Marvel Comics character Captain America. Produced by Marvel Studios and distributed by Paramount Pictures, it is the fifth film in the Marvel Cinematic Universe (MCU). During World War II, Steve Rogers, a sickly man, is transformed into the super-soldier Captain America and must stop the Red Skull from using the Tesseract as an energy-source for world domination.