Apparently, if you type his name enough on Twitter, Joss Whedon will appear.
@JihadKitty @josswhedon I summoned him
— Thoughtter (@ThoughtOtter) July 5, 2014
@ThoughtOtter okay what us your bidding DON'T WISH FOR MORE WISHES I'm onto that shit
— Joss Whedon (@josswhedon) July 5, 2014
Twitter user @ThoughtOtter was about to squander her wish to the Avengers Genie, but then she quickly realized what humanity really needs:
Unfortunately, you have to be REALLY specific with genies when you ask them to grant your wish.
@ThoughtOtter your wish is my command here ya go pic.twitter.com/mf2s9jagG0 — Joss Whedon (@josswhedon) July 5, 2014
(Here is an enlarged version of the sketch.)
[via The Mary Sue]