Outing superheroes January 5, 2013 by Jo I shared this on Twitter earlier, but wanted to add it here too. This is a genuine screen grab from my Foursquare feed yesterday. It would appear that Foursquare is indeed outing superheroes, one check-in at a time. Share this:TwitterMorePinterestRedditLinkedInTumblrPrintFacebookEmailLike this:Like Loading... Related