Joss Whedon wrote the film treatment for X-Men, co-wrote Captain America: The First Avenger and Thor: The Dark World, co-wrote and directed of The Avengers and Avengers: Age of Ultron. He also co-executive produced and co-created Agents of S.H.I.E.L.D. with his brother Jed and sister-in-law Maurissa Tancharoen and co-wrote the "pilot" episode.
Behind the scenes
The Avengers
Joss Whedon on set with Captain America's Shield.
Joss Whedon and Samuel L. Jackson.
Joss Whedon and Chris Hemsworth.
Joss Whedon and Mark Ruffalo.
Joss Whedon and Scarlett Johansson.
Joss on set with Chris Hemsworth, Robert Downey Jr. and Chris Evans.
Joss Whedon and crew, with Cobie Smulders and Samuel L.Jackson on set.
Avengers: Age of Ultron
Josh Whedon and Chris Evans