The green Hulk is none other than the robot first seen in the Eternals, and it is under Doom's control. He sent it to distract the Thing so the real Hulk could regain his strength and regroup for combat, and when he gets back into the fight, he does it with intelligence.
Creators
Writer
Peter David
Penciller
Jeff Purves
Inker
Terry Austin
Colorist
Petra Scotese, Petra Goldberg-Scotese
Letterer
Joe Rosen
Cover Penciller
Jeff Purves
Cover Inker
Terry Austin
Editor
Bobbie Chase
Editor In Chief
Tom DeFalco
Characters
Hulk (Bruce Banner)
Beast (Henry McCoy)
Dr. Doom (Victor von Doom)
Thing (Benjamin J. Grimm)
Beast (Henry 'Hank' McCoy)
Hulk (Robert Bruce Banner)
Hulk (Robot)