First, there was Jessica Roberts (Rekha Sharma), who had the temerity to threaten Caligula in her ploy to escape Misty's basement.

Source: https://www.slashfilm.com/1298422/yellowjackets-cut-christina-ricci-out-of-dance-number/

Hanratty nails the quality of Misty's that provides a throughline between her teen and adult forms.

Source: https://www.slashfilm.com/1271880/yellowjackets-samatha-hanratty-knows-misty-dangerous/

He also reveals to her that Adam's mom is dead, making Misty's story of why she was downvoting his theories not plausible, and is trying to figure out why she would lie to him.

Source: https://collider.com/yellowjackets-season-2-episode-5-recap-two-truths-and-a-lie/

I do worry about Misty's potential trust in Walter and hope that things work out for her when it comes to not only finding Natalie but with her own future.

Source: https://bleedingcool.com/tv/yellowjackets-season-2-episode-3-review-theres-blood-in-the-beehive/

Misty's Psyduck had some comedic moments, and Ash's Pikachu runs to hug Misty at their reunion, uttering, "pikachu-pi", which has always been how it refers to Misty.

Source: https://www.cbr.com/pokemon-fans-nostalgia-misty-returns-ash-last-episodes/

The whole sequence essentially seems to be Misty's subconscious giving her a pep talk.

Source: https://mashable.com/article/yellowjackets-misty-morse-code-dream