I guess I'm finally in a place where advertising can't get to me because I didn't even know it was a thing until just now. It's the kind of thing I'd go watch in theaters if I had time.
I don't think they expected it to keep going like this. There are something like 7 original Nightmare on Elm Street movies and Freddy is a horror icon. There are 11 original Friday 13th movies and Jason wasn't really a part of a couple of them.
I think they just didn't plan for him to still be going. If they keep doing this they'll need to have him meet Freddy and get dream powers.