Paramount Home Entertainment has announced an April 8 release date for Paranormal Activity: The Marked Ones on Blu-ray and DVD in the US (it looks like it will be May 12 in the UK). The Digital HD version of the film will be available two weeks earlier on March 25and will also be included as part of the extended content in the Blu-Ray pack.
As far as bonus features go, the only extra will be Found Footage. The extended unrated cut is considered a Blu-ray exclusive and will not be included on the standalone DVD version of the film.
Paramount have released a Home Video trailer as part of its announcement.
You can pre-order Paranormal Activity: The Marked Ones here: