The photo was posted Friday to Bieber's Instagram and has been liked more than 774,000 times, The Hollywood Reporter reported.
While some Bieber fans were excited, others lamented that "Batman would be ruined forever" if Bieber was cast in the film, written by David S. Goyer and Zack Snyder.
However, Bieber tweeted earlier Friday that he was working with the comedy website Funny or Die, so the script may have had something to do with that.
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