You see... you got so excited that you got the piggyback who-carried-who backwards. Happens to the best of us, really.
We were wandering around taking pics and all of a sudden, boom, there's batman walking down the street! We yelled to him for a photo-op and he went and got Cat Woman, Joker, Harley Quinn and the two hench men! Best part: the groom's favorite comic book is batman.