Disclaimer: I do not own anything in this video. No copyright infringement intended. Everything belongs to their respective owners.

Original "Batman v Superman: Dawn of Justice" trailer:
https://www.youtube.com/watch?v=IwfUnkBfdZ4

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BG and vector credits
http://erockertorres.deviantart.com/art/Rolling-Hills-388005932
http://kana-the-drifter.deviantart.com/art/Rainbow-Dash-Zap-Vector-421449310
http://junglepony.deviantart.com/art/Cloud-vector-vector-data-in-PSD-file-292393561