I know what you’re thinking: didn’t you just review this movie, Wil Forbis? Incorrect, mein Freund. I recently reviewed “Initiation,” a 2020 slasher with heavy themes. This is “The Initiation,” a 1984 slasher featuring Vera Miles of “Psycho” fame. Got it? And how was it? An absolute blast! Just when you think 80s horror has…