Although nothing has been confirmed by the studio, a casting description stated that they were looking for a tall, brunette, athletic and exotic actress to fill this particular role. Most speculate that it is for the role of Wonder Woman, also said to be Bruce Wayne's love interest. All three actresses seem to be a perfect fit.
Thor: The Dark World's Jaimie Alexander has also confirmed that she met with Warner Bros. for the Wonder Woman role. While she has actually been in talks with the studio, it seems unlikely that she will be able to accept the role due to her contract with Marvel that has her signed on for at least one more movie.
These names are being floated out to the masses for a reason. If you have a particular favorite, chime in below. We like Jaimie Alexander, but if she must decline, we hope Olga Kurylenko is next in line. Anyone out there rooting for Gal Gadot or Elodie Yung?
Batman v Superman: Dawn of Justice comes to theaters March 25th, 2016 and stars Henry Cavill, Ben Affleck, Amy Adams, Diane Lane, Laurence Fishburne, Gal Gadot, Jesse Eisenberg, Jeremy Irons. The film is directed by Zack Snyder.