The Transformers: Monstrosity #6
/"Underworld"
MONSTERS RISING! JETFIRE and the Autobots are confronted by horrifying creatures from deep below Cybertron-fueled by a terrifying new form of energon! Plus: the origin of the DINOBOTS is revealed!
Written By: Chris Metzen and Flint Dille
Art By: Livio Romandelli
Letters By: Tom B. Long
Edits By: John Barber
Published: May 8, 2013