Before the Joker...
After the Joker.
In case you've been in The Bunker, this is in reference to Dark Knight, the next Batman movie.
Found by
monkey0science Amber
PS: Damn..Heath...Ledger. :/
PPS: The more I look at the Post-Joker one, the more I think it's a puzzle. The words circled and all that. Or it's just screwing with me.