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You can call it zeitgeist. You can call it ideaspace. You can even call it coincidence. However you label it, there’s occasionally a fundamental alignment where multiple creatives end up working on the same kind of project at the same time. That’s how you can end up with several Wyatt Earp films in the same year or more than one book from the point of view of Jack the Ripper or even several firehouse dramas.
Or maybe it’s just the full moon.
Forty years ago, in 1981, big Hollywood studios released not one, not two, but three werewolf-related pictures within a span of five months: