This poster would stand well in the MOS universe at the moment due to the fact Nolan and Snyder want to make Man of Steel feel like the very first and only Superman movie, but this could be popular among Superman fans. The poster shows Superman standing front of his previous costumes from Brandon Routh's Superman Returns costume to Dean Cain's Lois and Clark costume to Christopher Reeve's iconic Superman costume.
I think this may be my favorite fan-made poster.