ComicVault
Fantastic Four #66
Marvel· 1967★ Key Issue

Fantastic Four #66

1st (cocoon) appearance of Him, later Adam Warlock

Trap checkDon't buy these

2 listingson eBay right now look like this issue but aren't it — usually the cheapest ones on the page. Here's what's wrong with each, so you don't buy the wrong book.

  • Wrong volume$4.90

    ✨VINTAGE✨ MARVEL’S GREATEST COMICS 66 FANTASTIC FOUR MARVEL COMICS 1976 VG+

    Same title and issue number, but a different relaunch. Daredevil #1 exists in six volumes — the 1964 key and the 2023 reboot are not the same book.

    View
  • Lot / bundle$45.00

    Lot of 66 USED/OLD comic books: Avengers, Fantastic Four, X-Men, and MISC

    Multiple books sold together. The price is for the whole lot, so it is not comparable to a single copy.

    View

Should you buy that copy?

Looking at a specific listing? Paste its eBay link — we'll read the copy and tell you if it's the right book and how the price sits against real sales. No link? Paste the title instead.

Guide value · CGC 9.8
$2,244
Estimated current value from PriceCharting
—

An estimate of what this grade is worth today, not a record of any sale. Guide values are trailing aggregates, so they lag a fast-moving book — a copy that just sold at auction may have gone for well above or below this.

Where the copies sit

Only 1 copy on the market at this grade — nothing to compare it against.

Guide value

UpdatedGradeEstimate
Aug 29, 2026CGC 9.8$2,243.83

Seen these sell? Add the sales

Paste recent sold results — from eBay's completed listings, a price guide, or your own purchases. We auto-detect the grade and flag the wrong books; you confirm.

Find a copy to buy

None on eBay right now? These open a pre-filled search for this exact book across the places collectors hunt.

searching: Fantastic Four #66 1967 CGC 9.8