The Brave and the Bold, Vol. 3 #10 (2008)

Challengers of the Unknown, Challengers of the Unknown
The creature formed by the Warlock of Ys and the Book of Destiny attacks the Challengers of the Unknown. In defeating the creature, they find a page they believe will lead them to the mysterious Megistus' next target. As they travel, the book reveals more tales of Megistus' history. Having traveled to medeival England, Superman must enlist the aid of the Silent Knight to retrieve an artifact for the wizard Merlin... one that Megistus covets. But in the Forest Perilous, where magic rules, Superman is as vulernable as any man. On the eve of Aquaman's wedding to Mera, Aquaman's nemesis (under the control of Megistus) attacks Aqualad, seeking to gain control of the gifts of postcognition tha the boy will someday control. Can Aquaman and the Teen Titans rescue him in time for the Wedding?
Release Date: 2008