Spider man had joined the fantastic four in issue one

[son_ofgolem]

In the very first issue of spider man in the 1960s spider man had attempted to join the fantastic four . recently he jioned the team to tempoary replace the human torch but how would the ff mag. and spider man book had done if the two characters permanently teamed up in the 1960:s??

[blackspidey2099]

There's a What-If issue about this where Peter joins the F4 in that issue and they become the F5. Pretty cool story if you track it down.

[comicscollector]

And Spider-Man was a member of the new Fantastic Four along the Hulk,Wolverine and Ghost Rider in a couple of issues of Fantastic Four.

[leokearon]

There's a What-If issue about this where Peter joins the F4 in that issue and they become the F5. Pretty cool story if you track it down.

Exactly, in fact it was the first ever What If?

[Mike]

There was a Sequel a few years later.
What-If #21.
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[Ravin' Ray]

Wasn't it that Earth which Morlun visited and killed the remaining FF including Spider-Man? I recall they were shown dead on-panel and Parker had the "4" on his spider-symbol.