Tonton Streaming The Avengers: United They Stand (1999) S1E11 - The Sorceress's Apprentice

Scarlet Witch visits Agatha Harkness accompanied by Vision to see what she can do for Wonder Man, but she is kidnapped by the Salem's Seven. Scarlet Witch calls the rest of the Avengers to help her, but they are busy fighting the Grim Reaper.