I think CGI shorts might be a way to go to sell physical media.
For Psycho...have Janet Leigh turn around with uncanny valley make up--the skeletal mother doing the attack...the curtain slides back for Bates to see the parasite from MALIGNANT.
A movie usher looks for a violinist, only to find one playing the shrieks...Erich Zann largely decapitated...
In the original Texas Chainsaw, Grandpa looks a bit like James Woods.
The third kill--a lot of movie reactors think that the victim left--the way Leatherface seemed to be looking around very upset.
Instead of remakes--I might look for jumping off points.