He made an uncredited cameo appearance in Captain America: The Winter Soldier as a Smithsonian Visitor.
He was interviewed for the documentary Marvel Studios: Assembling a Universe.
- Joss Whedon is the brother to Jed Whedon and the brother-in-law of Maurissa Tancharoen, Show-runners and Executive Producers of Agents of S.H.I.E.L.D..
- Joss Whedon cast many of his former collaborators from the Buffy the Vampire Slayer, Angel, Firefly and Dollhouse into The Avengers and Agents of S.H.I.E.L.D.. Alexis Denisof, Enver Gjokaj and Damion Poitier appeared in The Avengers, and J. August Richards, Ron Glass, Brad Dourif, Amy Acker, Patton Oswalt, Reed Diamond and Dichen Lachman appeared in Agents of S.H.I.E.L.D..
- Whedon also contributed to the script of the first X-Men movie.
- Whedon also wrote Astonishing X-Men vol. 3 and Runaways vol. 2 for Marvel Comics.
- Whedon's favorite MCU film is Iron Man and his least favorite is Iron Man 2.
- He was nominated for an Empire Award for Best Director for his work on The Avengers.
- He was nominated for a Saturn Award for Best Writing for his work on The Avengers.
- He won a Saturn Award for Best Director for his work on The Avengers.