Fantastic Four (1998) #508
an issue of Fantastic Four (1998) by Marvel Comics
Issue description
Written by Mark Waid. Illustrated by Howard Porter. Cover by Tony Harris and Tom Feister.
"AUTHORITATIVE ACTION" CONCLUDES!
It's Armageddon from without and within as Nick Fury and S.H.I.E.L.D.'s peacekeeping forces besiege the FF and Latveria, and Marvel's First Family is simultaneously besieged by an evil at the heart of their own team!