Batman v Superman: Dawn of Justice - Comic-Con Trailer [HD]
Still not as excited about this as my inner nerd should be. I know some of the source material it draws from, and the suck potential in translating that to the new DC cinematic universe is high.
Superman/Batman # 1 Variant, by Ed McGuinness and Dexter Vines.
Superman by Alex Ross
Superman - Special Edition NYC 2014 Pre-Show Commission
The Dark Knight Returns by Jim Cheung