User blog comment:Rod12/The Unknown Returning Villain for Series 5/@comment-4190137-20120309052623/@comment-4190137-20120309102810

I think if Alvarr, returns, he will return and die in the first two-parter. They'd want him to get out of the way quickly, but smoothly. He'll probably be with Mordred when/if he returns. And you'll be surprised! Most villains are killed by Merlin, Agravaine's death proves that.