The War of Four Cities escalates, and we learn what it is that the FF fears most! The Future Foundation is caught in the middle as the war expands to encompass the entire Marvel Universe! Plus: Black Bolt is back and is determined to reclaim his throne. Ben Grimm returns to the pages of the FF as Ronan the Accuser and the armies of the Kree empire invade the earth! A Galactic empire is born as the war of Four Cities comes to a close. What does it mean for Marvel's First Family? Collecting: FF 6-11