Avengers: Age of Ultron features an unrelated team of superheroes.
Avengers: Age of Ultron . The film was written and directed by Joss Whedon and features an ensemble cast that includes Robert Downey Jr. , Chris Hemsworth , Mark Ruffalo , Chris Evans , Scarlett Johansson , Jeremy Renner , Don Cheadle , Aaron Taylor-Johnson , Elizabeth Olsen , Paul Bettany , Cobie Smulders , Anthony Mackie , Hayley Atwell , Idris Elba , Stellan Skarsgård , James Spader , and Samuel L. Jackson . The Ultimates are a group of fictional superheroes appearing in American comic books published by Marvel Comics .