CATALOG RECORD

The X-Men #20

Marvel · Series began 1963 · May 1966

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WHY COLLECTORS WANT IT

Supreme One (Marvel) — villain, first appearance, also in flashback

Dates

Cover date: May 1966
Pages: 36

Editions and covers (2)

Copies of #20 are not all the same book. Here is how to tell each one apart.

Original edition12¢ cover
This edition’s page
UK pence edition10d [0-0-10 GBP] cover

British

Printed cover price 10d [0-0-10 GBP].
Source ↗

Reprinted in

Fantastic! (1967), Essential Uncanny X-Men (1999), Marvel Masterworks: The X-Men (2003), The X-Men Here Comes... Daredevil The Mighty Thor (1975), X-Men Pocket Book (1981), The Marvel Saga the Official History of the Marvel Universe (1985), Marvel Masterworks (1987), The X-Men Omnibus (2009), Marvel Masterworks: The X-Men (2009), X-Men Epic Collection (2014), X-Men: Children of the Atom (2019), Mighty Marvel Masterworks: The X-Men (2021)