As noted by The Movie News Hound, the alleged Batman vs Superman leaked trailer starts with a view of Metropolis in chaos with Ben Affleck’s Batman narrating how the world has changed with the arrival of the Kryptonians. The scene changes to Ben Affleck wearing the armored Batsuit he was wearing during the leaked comic-con teaser for Batman vs Superman, he then asks if Superman is here to save us or to destroy us. The teaser ends with Ben Affleck saying “I’m going to find out” then the Batman v Superman: Dawn of Justice logo shows up.
Source: kdramastars