A teaser trailer of Batman V Superman Dawn of Justice was shown at the comic-con... and a bootleg version has somehow leaked online, you may watch it below thanks to Dailymotion and Tudou, it's in two parts:
Batman vs Superman - A Origem da Justiça | Zack Snyder solta teaser com cenas do filme [ATUALIZADO] | Omelete
Everything You Ever Wanted To Know About the Failed 2004 Batman Vs. Superman Movie
Batman vs Superman Trailer organizado cronológico de 11 minutos
Batman vs. Superman: Dawn of Justice Trailer Sneak Peek (2016) Ben Affle...
BATMAN VS SUPERMAN: Dawn Of Justice Trailer (2016) - YouTube
Superman gets all kinds of hate in the 1st OFFICIAL Teaser Trailer for Batman v Superman: Dawn of Justice.
Is Your True Personality More Like SUPERMAN Or BATMAN? | PlayBuzz
‘Batman Vs. Superman’ Trailer, New Footage Released At #ComicCon #BatmanVsSuperman