A New and Revived Merlin arrives on the scene, before he confronts Dred with David and Mattie.

He lands in a forest after avoiding the flying debris of an exploding plane.

After Merlin and King Arthur battled Dred for the first time, Merlin turned into an Irish Wolfhound.

Here is the legend of Gelert that the story was based on.

MERLIN
STORY OF GELERT