Claim: The Avengers (2012 film) was written by an American screenwriter.
Evidence: The film was written and directed by Joss Whedon and features an ensemble cast that includes Robert Downey Jr. , Chris Evans , Mark Ruffalo , Chris Hemsworth , Scarlett Johansson , Jeremy Renner , Tom Hiddleston , Clark Gregg , Cobie Smulders , Stellan Skarsgård , and Samuel L. Jackson.
Joss Whedon -LRB- -LSB- ˈwiːdən -RSB- -RRB- -LRB- born Joseph Hill Whedon on June 23 , 1964 -RRB- is an American screenwriter , film and television director , film and television producer , comic book author , and composer.