“Marvel's The Avengers” Director Joss Whedon on set Ph: Zade Rosenthal © 2011 MVLFFLLC. TM & © 2011 Marvel. All Rights Reserved.
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Joss Whedon was originally brought on to write some new scenes for the movie, before stepping into the director’s chair as well after Zack Snyder had to step down. Whedon did enough work on the script to earn himself credit, Warner Bros. lists the screenplay by “Chris Terrio and Joss Whedon”.

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