How the 'Agatha All Along' Anthem Spawned 8 Versions

When the married composing duo of Robert Lopez and Kristen Anderson-Lopez joined the Marvel Cinematic Universe to write the Emmy-winning "WandaVision" banger "Agatha All Along," it was predetermined that if Disney+ wanted a spinoff series focusing on Kathryn Hahn's Agatha Harkness, the witchy wildwoman neighbor of Wanda Maximoff (Elizabeth Olsen) and Vision (Paul Bettany), they'd be on call. But what if you were entrusted with not merely writing a song, but coming up with eight different variations on it? "This song was almost like the MacGuffin and the road map of the whole . . .