Joss Whedon, the director of The Avengers and the auteur of Buffy the Vampire Slayer, Angel, Firefly, and Dollhouse, is a famed liberal, but there’s one important reason why he wants to see Republican candidate Mitt Romney elected as president.

Two words: zombie apocalypse.

Check out this PSA-style endorsement, which starts serious, but doesn’t stay that way for long.

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Via NBCNews.