Fantastic Four, Vol. 3 #518 (2004)

Avengers Disassembled - Fourtitude, Part 2
The Four determine that Manhattan Island will be launched into the Sun unless they stop it. They plan to do exactly that, and in the resulting fracas, encounter the leader of the invaders. He reveals the choice they have which can save Manhattan Island, but it's not an easy one for the Fantastic Four to make.
Release Date: 2004