One of the catchiest songs in the Marvel Cinematic Universe was almost named something other than “Agatha All Along.” The song from Frozen duo Kristen Anderson-Lopez and Robert Lopez was initially called “That’s So Agatha” by the “Breaking the Fourth Wall” writer Cameron Squires.
In an interview with EW’s The Awardist, WandaVision head writer Jac Schaeffer recalled how the catchy tune name came about. “Matt [Shakman, series director] brought them on. Like of the millions of things that Matt did, like his strokes of genius, bringing Bobby and Kristen into the mix, I can't imagine it being any different way.” pg slot