When Aubrey Plaza was first announced as a dark witch in Agatha All Along, I thought, “That makes sense.” It was the same feeling for the actress who has dabbled in the dark arts, telling WSJ Magazine, “What’s better than playing in the witch-witchy worlds of witches?”

The Marvel Cinematic Universe built an empire on minor characters, proving that strong execution and an overarching brand could elevate once-fringe figures like Black Widow or the Guardians of the Galaxy into franchise mainstays.