The Cosmic Key is also the title of a Masters of the Universe minicomic, featuring the device known as the Cosmic Key, and introduces the new movie characters into the franchise. It was packaged with Blade, Gwildor and Saurod's action figures.
Enter: Buzz-Saw Hordak! is a Masters of the Universe minicomic. It was packaged with Buzz-Saw Hordak and Mosquitor. The story was written by Steve Grant and the art was drawn by Bruce Timm.