Directors Joe and Anthony Russo published the photo through their joint Twitter account, @RussoBrothers, and on their Marvel-laden Instagram account, therussobrothers. The dark, black-and-white photo shows Joe Russo seated on what appears to be a studio sound stage, looking at a laptop. Nothing about the photo seems especially out of place or even particularly mysterious, but then there’s the caption.
Look hard… pic.twitter.com/NxI8RFh4f6
— Russo Brothers (@Russo_Brothers) September 19, 2018
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“Look hard….” reads the tweet that goes with photo. So, of course, fans have been looking very hard at their computer and smartphone screens ever since. Still, nobody is quite sure what