Originally Posted by Alien Anal
I too was trying to quickly think of a way that he could end up in that costume and i thought perhaps now that Superman is known in the world he has become somewhat of a pop culture character and so there are t shirts printed with the S on them. This is where you could introduce the more Earth style looking S. Like you suggested maybe he does not have his suit on him and quickly spots the shirt and uses it..
Silly idea but like i said it was a quick though.
similar to the new 52 - nice idea
perhaps clark is suitless and needs one, so a t shirt from a market stand it is