Scooby-Doo, Where Are You? (2010) #130 (Online Order Only)

WHERE IS THE WEREWOLF?! 

Scooby and the gang are old hands at pulling masks off phony monsters. But when a werewolf crashes the mayor's fancy costume ball, blending in amongst several other partygoers, how can the gang tell which mask to pull off? They'd better figure out who's who--and quickly--before the mayor's party is ruined!