New details from the MCU’s latest series Agatha All Along help to explain the ending of WandaVision, and to provide the Scarlet Witch’s villainous motivations with a much greater explanation. Episode 6 of Agatha All Along spent much of its runtime exploring the backstory of William Kaplan and provided an engaging explanation for how Teen could be the son of Wanda Maximoff. This was done through incredible action and story details that integrated perfectly with the WandaVision series.