You follow the mad scribbles and markers on the wall, getting more and more uneasy the further you go into this madhouse. You hear the insane cackle get louder and louder as you approach the mad man's location, you creak the door open enough to peek through to see

The Joker, the prince of crime himself, commanding his men to their posts while he keep making these sick jokes to himself

"C'mon! C'mon! We need to get the place all tidy and neat for the explosive intro I'm throwing~!"