comics.org lists the Spidey and FF stories as "heavily edited" reprints (cut down to 10 pages) of Fantastic Four #19 and Amazing Spider-man #42, at least.

Out yonder, under the shining vault, among men the saying goes: 'Man, be thyself!'
At home here with us, 'mid the tribe of the trolls, the saying goes: 'Troll, to thyself be-enough!'