![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiifdGCu29c5xrA1O2ArsFzEmtu8gC0A43Uh2UHCYil2VourBBHRK1bp-uejnc6UVLe2sleOegZs49kXlz3JcGHzpE5OI5sOpeJM5VPH_pP2t9AEwBYJVl7oosoA6rjopuPrPGGqpMNqack/s400/riddler.jpg)
Firstshowing has news that there's a studio casting grid (basically a document listing the roles in an upcoming project) with the Riddler listed. If true, this means the Riddler is the villain. According to the source, Joseph Gordon-Levitt is listed as 'interested.' Again, if true, this does not guarantee that he'll do it. Just that he's a leading candidate.