Previous adventures involving the characters together in Dr. Strange #183, Sub-Mariner #22 and Incredible Hulk #126 and Sub-Mariner #34-35 are mentioned. Strange states that he also meant to recruit Thor.
As noted inside, the story takes place after the Dr. Strange feature at the end.
Strange invokes the Hosts of Hoggoth, the Vishanti, the Omnipotent Oshtur, the Vipers of Valtorr, the Demons of Denak, the Supreme Satannish.
This story establishes the Hulk's ability to see astral forms.
Last appearance of the character in Incredible Hulk #126.
The feature is spelled "Dr. Strange, Master of the Mystic Arts!" The feature was last seen in Dr. Strange #183 and is next seen in Marvel Premiere #3 after appearances of Dr. Strange in Marvel Feature #1-3 with the Defenders and in Amazing Spider-Man #109.
With the Ancient One's restoration of the Stephen Strange identity, the superhero phase of the character when he operated masked under a secret identity comes to an end.
The Mystic Moons of Munnopor are invoked in incantation, the Vishanti invoked in praise.