questions in Undertale MULTIPLAYER

Will There Be Sans AU's? Or Any For That?

We Have Seen SS Or KING SANS.

Also, Will You Be Able to Be Any Character From UT, Like DONT FORGET connected?

where sans undertale sans undertalesans undertale sans undertalesans undertale sans undertalesans undertale sans undertalesans undertale sans undertalesans undertale sans undertalesans undertale sans undertalesans undertale s

Is there a planned release date?

i cant wait will it be this year winter (2023 december) or next year winter (2024 jan till march)