Fantastic Four Vol. 4 #15

Plot

DOOMED! Part 3: The Elements of War. The Fantastic Four struggle to stop the molecular plague destroying their powers and bodies. Standing between them and the cure: the Frightful Force, an army of their greatest foes, led by one of the F4's own who betrayed them! Their only allies: another Fantastic Four! Meanwhile, Dr. Doom, Kang, and Annihilus come to an ominous meeting of the minds...