Heartstopper's Joe Locke joining 'Wandavision' spin-off 'Agatha: Coven Of Chaos'.

'Heartstopper' breakout star Joe Locke has joined the cast of the Marvel Studios 'Wandavision' spin-off 'Agatha: Coven Of Chaos' for Disney+. Locke will join Kathryn Hahn who reprises her role as Agatha Harkness for the show.

Both plot details and who Locke will be portraying in the show are being kept under wraps.