While one iconic Scream villain can’t return in Scream 6, this doesn’t mean that the slasher franchise’s next installment can’t incorporate the character into the sequel’s killer reveal. It is never easy to work out who the killer is in a Scream movie. The slasher franchise is as famous for its whodunit mystery plotting as the Scream movies are for their gory kills and meta-humor. However, looking closely at promotional materials, posters, and the trailer for the upcoming Scream 6 might give away a few of the sequel’s surprises early.

https://screenrant.com/scream-6-matthew-lillard-stu-legacy-killer-return-work-how/