If you are looking for the "main" themes heard in the promotional material, these tracks from the Official Motion Picture Soundtrack are the most prominent:
Features the track "Person of Interest" by Aleksandar Dimitrijevic from the Immediate Music album Cypher . Batman Vs Superman Trailer Music Mp3
: The haunting opening theme often used in emotional teasers. If you are looking for the "main" themes
: The dark, percussive theme representing Batman's perspective. percussive theme representing Batman's perspective.