At E3, Day 1 Studios has granted an interview on FEAR 3 in which the developers describe it cooperatively title. In addition to the game mode   Multiplayer competition will feature a segment, and, as expected, for the single player campaign. In Single player campaign mode, Fettel see him only in the scenes' intermission of the game which will be used to describe the plot.

FEAR 3 - Co-op Walkthrough Part I | HD version
FEAR 3 - Co-op Walkthrough Part II