Movie trailers that scared you

[Trevor]

I heard the trailer for Ken Russell's Altered States over the radio in 1980: yikes   

https://www.youtube.com/watch?v=67lYG7a4YOA

 

[claws]

As a kid, the trailer for Burnt Offerings (1976) scared me. No trailer scared me as an adult, though.

[M.10rda]

I think I was about 9 when I saw the commercial for FRIDAY THE 13TH PART VI w/ Corey Feldman watching Jason emerge from his grave. I was already pretty hardcore for a 9 year old but I don't think I'd seen a whole F13 yet and, I dunno, had to shut that commercial off! F13.VI is still my favorite, too.