Fantastic Four #203
"... And A Child Shall Slay Them!"
February 1979, in collection
A mutant boy in a coma creates evil doppelgangers of the FF
reprinted in
*
44 Years of Fantastic Four
2005, in collection
(2005*)
*
Fantastic Four: Reunited They Stand TPB
2013, in collection
(2013*)
*
Marvel Digital Comics
no date
(no date)