Sam and Tara's mom

I could see their mom in Scream 7 being the equivalent to Sidney’s brother in Scream 3

We should have BEEN met her. How do you have a character sleep with Billy Loomis, have his child and not even have her be apart of the story for two movies now. Instead of Kirby, Christina should have been in the FBI agent role, had they established this in the last movie, and we see her interact with her daughters and tell us more of her and Billys backstory.