Fantastic Four #197
"The Riotous Return of the Red Ghost!"
August 1978, in collection
Reed regains his powers on a space voyage, but the Red Ghost is also restored
reprinted in
*
44 Years of Fantastic Four
2005, in collection
(2005*)
*
Fantastic Four: Overthrow of Doom HB
2011, in collection
(2011*)
*
Marvel Digital Comics
no date
(no date)