BATMAN CONFIDENTIAL #26
From the late '60s Batman TV show comes King Tut making his first comic-book appearance in Gotham City ever in part 1 of a 3-part arc! A trail of murders involving museum executives and the mysterious riddles left behind lead Batman to suspect an old foe is back at work. But the Riddler is safely locked up – and not too happy that someone has stolen his M.O.!