Wednesday Season 2 Part 1 offers a big mystery in a masked avian killer who can control birds, but who's behind it?

As Wednesday Addams and Uncle Fester dig into the secrets buried beneath Willow Hill, a former psychiatric hospital with a twisted past, the mystery around the Avian unravels, exposing secrets about science, family, and the high cost of obsession. And yes, the identity reveal isn’t just shocking; it’s deeply personal.