This is out on news year day, the trailer dose so a lot of the movie, this kind of spin off of series
As Paranormal Activity 5 is also out in october which is more of sequel then this.
Here is smalll trailer, I going post trailers but if you going to see its, I think better to AVOID the second trailer
Paranormal Activity: The Marked Ones -- Friday 13th Screening
http://www.youtube.com/watch?v=guDbA7rZtYg
http://www.youtube.com/watch?v=DEczSCLMbLY
Main trailer
http://www.youtube.com/watch?v=J39iyK_aqDE