He-Man clash with Skeletor, in which Skeletor was flung deep beneath Castle Grayskull into a pit filled with steaming liquid. The film ended with a post-credit scene in which Skeletor emerged from the liquid and proclaimed, "I'll be back!". After the end of the Masters of the Universe toy line, Mattel attempted to revive interest in He-Man by producing a new toy line, entitled "He-Man". The accompanying storyline in the mini-comics packaged with the figures explained that He-Man had left Eternia and pursued Skeletor into the depths of space, where Skeletor had set his sights on conquering the distant world of
The Man in the High Castle progressed little, because he was too disturbed by his original research for "The Man in the High Castle" and could not mentally bear "to go back and read about Nazis again." He suggested that the sequel would be a collaboration with another author:Somebody would have to come in and help me do a sequel to it. Someone who had the stomach for the stamina to think along those lines, to get into the head; if you're going to start writing about Reinhard Heydrich, for instance, you have to get into his face. Can you imagine getting into Reinhard Heydrich's face?