For now, he's known only as “Teen”—but there are signs the spooky MCU series may be setting up a bigger role for Locke sometime in the future.

Agatha All Along, the spooky spinoff series from WandaVision creator Jac Schaeffer, centers on antagonist Agatha, a dark witch who wielded a book called the Darkhold and tried to steal Avenger Wanda Maximoff's powers. At the end of WandaVision, Wanda cast a spell on Agatha trapping her in a delusion.