Son of Satan's Ring

Published in Frankenstein: Agent of S.H.A.D.E. #10 - #12, August 2012 - October 2012.
S.H.A.D.E. has been protecting humanity from supernatural threats for several hundred years but now the danger is coming from with S.H.A.D.E. and Frankenstein and the Creature Commandos must look into suspected double agents in their field offices. Told in three parts:
Part 1: Beat the Poet
Part 2: Leviathan
Part 3: To the Grave
Repackaged as part of the graphic novel Frankenstein Agent of S.H.A.D.E. Vol. 2 - Secrets of the Dead.