Halloween III: Season of the Witch is something of a red-headed stepchild in the vaunted franchise. As the only Halloween installment not focused on Michael Myers, the movie had an odd appeal to it and eventually became a cult classic. It was part of an aborted attempt to shift the franchise away from one story and went out of its way to demonstrate that it was unconnected to Myers. Despite this premise, it still has many people begging one question: is Michael Myers in Halloween III?
Source：https://www.cbr.com/michael-myers-halloween-3-cameo/
