Iron Man, Thor, the Hulk and the rest of the Avengers unite to battle their most powerful enemy yet -- the evil Thanos. On a mission to collect all six Infinity Stones, Thanos plans to use the artifacts to inflict his twisted will on reality. The fate of the planet and existence itself has never been more uncertain as everything the Avengers have fought for has led up to this moment.

The film features an original score from composer Alan Silvestri.

Alan SIlvestri

Born: March 26, 1950 (age 68), Teaneck NJ

EducationTeaneck High School, Berklee School of Music

He is best known for his frequent collaboration with Robert Zemeckis, composing for such major hit films as the Back to the Future trilogyWho Framed Roger Rabbit, and Forrest Gump, as well as the superhero films Captain America: The First AvengerThe Avengers, and Avengers: Infinity War. His other film scores include The Delta ForcePredator and its sequel Predator 2The AbyssStuart LittleThe Mummy ReturnsLilo & StitchNight at the Museum and Ready Player One. He is a two-time Academy Award and Golden Globe Award nominee, and a three-time Saturn Award and Primetime Emmy Award recipient.