Warning: SPOILERS for Absolute Carnage: The Immortal Hulk #1
While the Devil Hulk has been the driving force behind Al Ewing and Joe Bennett's Immortal Hulk series, readers have yet to see his true form. Up to this point the Devil Hulk has been portrayed only as a demon taking over the Hulk's mind. But now, after the events of Absolute Carnage #2 -- where the Venom symbiote abandons Eddie Brock for the Hulk, the reader gets a good look at the Devil Hulk himself... within Banner's mind.
Dr. Bruce Banner may be one man, but he's host to multiple personalities within his head. There are many versions of the jade giant, and it looks like there are currently three personas sharing Banner's mind: Joe Fixit, the Savage Hulk, and the Devil Hulk (while The Professor and World Breaker are curiously absent). The Hulk merged with Venom instantly, but thankfully Absolute Carnage: The Immortal Hulk shows what really happened inside Banner's mind in what seemed like a second.
Banner holds a round table with his current active personas, debating whether they should accept the Venom symbiote or not. Bruce wants to fight Carnage, and try to discover more about the One Below All--who he thinks is connected to the symbiote god, Knull. He also wants to stop Carnage and Knull from destroying the world purely out of greed... so he and the Devil Hulk can be the ones to end the world. Joe Fixit, who has been the persona protecting Bruce during the day, can't help but see the "moxie" the symbiote has, and agrees that they should bond. The classic Savage Hulk (who heartbreakingly describes the constant pain he's enduring being trapped in Banner's mind) isn't able to come out to see his friends. But the Savage Hulk sees no threat in bonding with the symbiote, as the Hulk is the strongest one there is... at least until night falls, and the Devil Hulk comes out to play...
This version has evolved from the Devil Hulk that was first introduced in the Paul Jenkins, Ron Garney and Sal Buscema run of Incredible Hulk #13, with characteristics like no other: intelligent, insanely savage, and devious. The reveal of the Devil Hulk in Banner's mind shows a scaled, more reptilian Hulk whose mission remains painfully clear (end the world) and objects to bonding with the symbiote as it does not help get him closer to his goal. He aptly describes how the symbiote will leave a residue once the bond is over, which perfectly describes the Symbiote codex that will be stored in their spine. That's the same codex Carnage is hunting for to bring back Knull. So he does actually have a point.
Good for Venom, or bad for Devil Hulk, it appears Banner's mind is a democracy--and majority rules. Banner wants to continue the fight, and come face to face with the symbiote god Knull a.k.a. a cosmic Satan, which may be connected to Hulk's own mysterious dark god, the One Below All. Since Banner wants to learn all he can about the mysterious force to gain more power so he can end the world, the choice is clear. While their execution may differ, Bruce and Devil Hulk have the same endgame. And that should terrify absolutely everyone.
Absolute Carnage: The Immortal Hulk #1 is available now at your local comic book store, or direct from Marvel Comics.