From Batman News:
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The December issue of Total Film magazine reveals that Batman v Superman: Dawn of Justice features a Bruce Wayne prologue to set up his hatred towards Superman.
The movie takes place about two years after the events of Man of Steel, and features scenes from Bruce Wayne’s point of view during the big Superman vs. General Zod battle from that movie. Parts of this scene were in the latest trailer, but Henry Cavill spoke more about it to Total Film