Detective Comics (1937-) #309

�BATMAN: THE MYSTERY OF THE MARDI GRAS MURDERS.� Batman and Robin track a murderer through Gotham�s Mardi Gras carnival. Once there, the Dynamic Duo have to solve a murder mystery, and they are assisted by the great photographer Vicki Vale, who has recently returned from a long assignment in Europe. Vicki provides a picture as evidence of the murderers, and using this, Batman and Robin are able to track down the killers across the carnival. When the criminals are captured, Batman is crowned as the king of the carnival along with Batwoman.