EntertainmentTVAction ShowsMarvel TV ShowsAgatha All AlongFrom Avengers: Age of Ultron to WandaVision, here’s all you need to watch before Agatha All AlongWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentTVAction ShowsMarvel TV ShowsAgatha All AlongFrom Avengers: Age of Ultron to WandaVision, here’s all you need to watch before Agatha All AlongWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Marvel Studios) With its premiere just days away, it won’t be long now until Kathryn Hahn’s fan-favorite witch returns to our screens in eagerly anticipated spin-off Agatha All Along. Given that it’s a direct follow-up toDisneyPlus’s smash-hit WandaVision, it’s obvious that MCU fans will have to have seen that in order to …