User blog comment:Argorrath/Treyarch posts a message of zombies; possibly hinting to a DLC 4/@comment-50.98.245.163-20130731191828/@comment-213.107.179.220-20130731221349

That would just be amazing XD Replace Melchett with Darling and we could have a new ending to the series. They all go over the top... and run straight into a zombie horde