"Batman vs. Superman"
along with the hastag #Robin.
It's not clear if Friday's post is meant to indicate Bieber might play Batman's sidekick Robin in the upcoming film, starring Henry Cavill as Superman and Ben Affleck as Batman.
In fact, the script by David S. Goyer and Zack Snyder in the photograph may not even be real.
Earlier Friday, Bieber took to Twitter to indicate he might be playing a prank on his fans.
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Justin Bieber posted a photograph on Instagram of what appears to be the script for 2015's
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