Comic Title: X-Men #6
Publisher: Marvel (Canam Publishers Sales Corp.)
Address: 655 Madison Avenue, New York, NY
Cover Date: July 1964
On Sale Date: May 5, 1964 Copyright Date May 5, 1964
Source: Library of Congress, Periodicals 1964

Newsstand Date May 5, 1964
Source: Newsdealer Magazine, V19 #5

Frequency: Bimonthly
Cover Price: $0.12
Page Count: 32
Editor: Stan Lee

Title: "Sub-Mariner Joins the Evil Mutants"
Pages: 22

Feature(s):
X-Men

Writer: Stan Lee
Penciller: Jack Kirby
Inker: Chic Stone
Letterer: Sam Rosen

Reprinted In:
Marvel Super-Heroes #25 (1970)
Super-Heroes #11 (1975)
Super-Heroes #12 (1975)
Amazing Adventures #11 (1980)
Amazing Adventures Starring the Original X-Men #12 (1980)
Marvel Masterworks Vol. 3:X-Men Vol. 1 HC (1988)
X-Men:The Early Years #6 (1994)
Marvel Masterworks Vol. 3:X-Men Vol. 1 HC (1998)
Essential Uncanny X-Men Vol. 1 TPB (1999)
Marvel Masterworks Vol. 3:X-Men Vol. 1 HC (2002)
Marvel Masterworks:The X-Men Vol. 1 – Barnes & Noble Edition TPB (2003)
Marvel Masterworks Vol. 3:X-Men Vol. 1 HC (2003)
Marvel Masterworks Vol. 3:X-Men Vol. 1 HC [Variant] (2003)
Marvel Masterworks:The X-Men Vol. 1 TPB (2009)
Marvel Masterworks:The X-Men Vol. 1 TPB [Variant] (2009)
X-Men Omnibus Vol. 1 HC (2009)
X-Men Omnibus Vol. 1 HC [Variant] (2009)
X-Men Epic Collection:Children of the Atom TPB (2015)
Namor, the Sub-Mariner Epic Collection:Enter the Sub-Mariner TPB (2021)
Mighty Marvel Masterworks:The X-Men Vol. 1 TPB (2021)
Mighty Marvel Masterworks:The X-Men Vol. 1 TPB [Variant] (2021)

Feature Character(s)

• X-Men (chronology forthcoming)
• Professor X (chronology forthcoming)
• Cyclops (chronology forthcoming)
• Angel (chronology forthcoming)
• Beast (chronology forthcoming)
• Iceman (chronology forthcoming)
• Marvel Girl (chronology forthcoming)

Villain(s)

• Sub-Mariner (chronology forthcoming)
• Brotherhood of Evil Mutants (chronology forthcoming)
• Magneto (chronology forthcoming)
• Scarlet Witch (chronology forthcoming)
• Quicksilver (chronology forthcoming)
• Toad (chronology forthcoming)