The Riddler has been at the center of so many gripping storylines over the years that showcase what makes him one of Batman's ...

the Riddler is approached by a mysterious figure who enlists his help to finally kill Batman - only the figure's identity is ...

Has the Riddler really gone legit ... domination plans just because some pesky human asked nicely. But the real riddle here is Commander Star. Could this new "hero" be sowing the seeds of ...