Saw it on collider just now, but it didn't look right. The more I looked at it, the more I thought, 'that's no knife, that's a light saber.'
https://static1.colliderimages.com/wordpress/wp-content/uploads/2021/10/John-Carpenter-Halloween-Poster-by-Matt-Ferguson-and-Vice-Press-social.jpg?q=50&fit=contain&w=750&h=375&dpr=1.5
All you gotta do is swap out the pumpkin for a Vader helmet, then periodize the costume and environment and you're in biz for a SW horrorshow.
Color me unimpressed with the concept and execution.