The most recent example of this is Marvel's "WandaVision." ♪ It's been Agatha all along ♪ We probably should've figured out this twist as soon as Agnes walked through the front door.

WandaVision did Agatha dirty and I stand by ... Originally introduced as nosy neighbour Agnes, episode 7 reveals that she is actually a powerful witch named Agatha, and has been influencing ...

Episode seven of WandaVision titled "Breaking the Fourth Wall" revealed that Agnes is Agatha Harkness, a massively powerful and ancient witch who is after Wanda's source of power. Agatha is able ...