Deadline, director Ali Selim clarified how much Nick Fury (Samuel L. Jackson) knows about his wife after the episode's closing moments saw his wife shift from Skrull to human before he lays eyes on her.

Source: https://www.cbr.com/secret-invasion-director-nick-fury-wife-clarify/

Director Ali Selim says he considers his storytelling work in the Disney+ show a conversation with the audience and expects mixed reviews as part of creative dialogue.

Source: https://www.cbr.com/secret-invasion-ali-selim-reacts-mixed-reviews/