Although we're still not certain who she's playing, The Hunger Games: Catching Fire star Jena Malone is reuniting with Sucker Punch director Zach Snyder for a mystery role in the much-anticipated comic book showdown Batman v Superman: Dawn of Justice. Although it's far from confirmed, rumors have suggested that she might playing the Carrie Kelley Robin, Batman's sidekick from Frank Miller's epochal The Dark Knight Returns!