X-Men #1 KEY

Cover date: October 1991

Best-selling comic book of all time (Guinness World Records); combined-cover launch event.

Print run records

B · Reported 8,186,500 copies Distributor order estimate

X-Men vol. 2 #1 sold 8,186,500 copies combined across all cover versions and channels -- the best-selling comic book of all time, per internal Marvel records as reported by Comichron.

Source: Comichron -- "The Best-Selling Comic Book of All Time" (Distributor data)

Scarcity proxies (not print-run figures — adjacent data used to infer rarity)

None recorded yet.