During the " King in Black " storyline, Doctor Doom confronts Iron Man during Knull 's invasion at the time when Iron Man was bonded with an Extremis-powered Symbiote. They are attacked by what appears to be a Symbiote-possessed Santa Claus. When the attacks from Iron Man and Santa Claus collide, it purges the Symbiote and Iron Man discovers that Santa Claus is actually a man named Mike Dunworthy who owns a Christmas decoration store. Doctor Doom revealed that he came to Iron Man because he heard about the new armor he is wearing and wants to extrapolate it to improve his own armor only for Iron Man to turn him down. As Iron Man takes off advising him to not let go of the magic in the world, Doctor Doom is left to wonder if Santa Claus could be a Sorcerer Supreme.