Fantastic Four (v3) #15

15

"A Clash of Iron"

March 1999

Reed sees a future version of the FF; Iron Man joins the fight against Ronan

marvel.com

continues in

* Iron Man (v3) #14 "To Challenge the Fantastic" March 1999 (3/1999) Iron Man and the FF prevent Ronan from obtaining the Kree Universal Power Core

reprinted in

* 44 Years of Fantastic Four 2005, in collection (2005*)