The line immediately sparked a flurry of fan theories, with audiences being convinced Monica was referring to Reed Richards aka Mr. Fantastic, the leader of the Fantastic Four, who would soon be making his MCU debut on WandaVision.
Because I didn’t want the focus to shift from what was important, which is the story of Monica traveling through that Hex.”
In a new interview, Matt Shakman, the director of the show, admitted Reed’s appearance was never on the cards at all.
And then some things, like just trying to clarify what was Monica’s plan with regards to the Hex [were not].