Paranormal Activity: The Search For Katie, A Case Study by Dr. Johann Averys DMN is available exclusively for iPhone and iPod Touch users.
It follows on directly from the ending of the Oren Peli's low budget horror film as Dr Averys attempts to piece together what has happened to the movie's character Katie.
The comic is written by Scott Lobdell and penciled by Mark Badger, both veterans of the industry.
Paranormal Activity will be released on DVD on December 29. The comic is available to download now.