8. Riddler & Two-Face Break Into Wayne Manner With Trick Or Treat Masks
After Alfred indulges a number of young trick or treaters who have the balls to visit Wayne Manor without parental supervision, The Riddler and Two-Face take advantage of the open gate to sneak onto the grounds and knock on the front door, wearing Halloween masks (which they presumably stole from those kids) to further disguise themselves. Alfred stares through the peephole and, rather idiotically, believes the two super-villains to be small children, opening the door only to be smacked on the head, granting the pair access to Wayne Manor in the process in order to cause all manner of mayhem.