The following issue, #28, brought the X-Men ... but it adds a layer of surrealism to the visually striking scene. The covers of Fantastic Four issues #48-51 are, put simply, iconic.
In Fantastic Four #28 by Ryan North, Steven Cummings, Wayne Faucher, Jesus Aburtov, and Joe Caramagna, Reed Richards reacts to Doctor Doom becoming the Marvel Universe's top villain by studying magic.