Claim: The Avengers (2012 film) was the first film that Joss Whedon directed.
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.
He is the founder of Mutant Enemy Productions and co-founder of Bellwether Pictures , and is best known as the creator of the television series Buffy the Vampire Slayer -LRB- 1997 -- 2003 -RRB- , Angel -LRB- 1999 -- 2004 -RRB- , Firefly -LRB- 2002 -RRB- , Dollhouse -LRB- 2009 -- 10 -RRB- and Agents of S.H.I.E.L.D. -LRB- from 2013 -RRB-.