| 1 | Custom: Deal—Fox Home Entertainment (X-3 Stan Lee DVD Comic) | Reprints X-Men (1st Series) # 1; Reprints X-Men (1st Series) # 4; Reprints X-Men (1st Series) # 9; 1st appearance of X-Men; 1st appearance of Angel; 1st appearance of Angel II; 1st appearance of Beast; 1st appearance of Cyclops; 1st appearance of Iceman; 1st appearance of Marvel Girl; 1st appearance of Professor X; 1st appearance of Magneto; 1st appearance of Brotherhood of Evil Mutants; 1st appearance of Mastermind; 1st appearance of Quicksilver; 1st appearance of Scarlet Witch; 1st appearance of Toad; 1st appearance of Lucifer; 96 pages; Digest-size |
| 1/NS | Custom: Deal—Fox Home Entertainment (X-3 Stan Lee DVD Comic) | Reprints X-Men (1st Series) # 1; Reprints X-Men (1st Series) # 4; Reprints X-Men (1st Series) # 9; 1st appearance of Angel; 1st appearance of Angel II; 1st appearance of Beast; 1st appearance of Brotherhood of Evil Mutants; 1st appearance of Cyclops; 1st appearance of Iceman; 1st appearance of Lucifer; 1st appearance of Magneto; 1st appearance of Marvel Girl; 1st appearance of Mastermind; 1st appearance of Professor X; 1st appearance of Quicksilver; 1st appearance of Scarlet Witch; 1st appearance of Toad; 1st appearance of X-Men; 96 pages; Digest-size |
| 1 | Fantastic Firsts | Reprints Fantastic Four #1; Reprints Tales to Astonish #27; Reprints Hulk #1; Reprints Amazing Fantasty #15; Reprints Journey into Mystery #83; Reprints Tales of Suspense #39 & 63; Reprints Sgt. Fury #1; Reprints Strange Tales #110; Reprints Avengers #1 & 4; Reprints X-Men #1; Reprints Silver Surfer #1; 1st appearance of Spider-Man; 1st appearance of the Hulk; 1st appearance of Ant-Man; 1st appearance of the Sub-Mariner; 1st appearance of Thor; 1st appearance of Iron Man; 1st appearance of Sgt. Fury; 1st appearance of Dr. Strange; 1st appearance of Avengers; 1st appearance of Captain America; 1st appearance of Daredevil; 1st appearance of S.H.I.E.L.D.; 1st appearance of Silver Surfer; 1st appearance of X-Men; 1st appearance of Fantastic Four; Fantastic Four Annual #1 |
| 1-2 | Fantastic Firsts | Reprints Fantastic Four #1; Reprints Tales to Astonish #27; Reprints Hulk #1; Reprints Amazing Fantasty #15; Reprints Journey into Mystery #83; Reprints Tales of Suspense #39 & 63; Reprints Sgt. Fury #1; Reprints Strange Tales #110; Reprints Avengers #1 & 4; Reprints X-Men #1; Reprints Silver Surfer #1; 1st appearance of Spider-Man; 1st appearance of the Hulk; 1st appearance of Ant-Man; 1st appearance of the Sub-Mariner; 1st appearance of Thor; 1st appearance of Iron Man; 1st appearance of Sgt. Fury; 1st appearance of Dr. Strange; 1st appearance of Avengers; 1st appearance of Captain America; 1st appearance of Daredevil; 1st appearance of S.H.I.E.L.D.; 1st appearance of Silver Surfer; 1st appearance of X-Men; 1st appearance of Fantastic Four; Origin of Wolverine; 115; 135; Fantastic Four Annual #1 |
| 1 | Giant-Size X-Men (Marvel Deutschland) | Reprints from X-Men (1st Series) #43; 1st Appearance of Illyana Rasputin; 1st Appearance of Nightcrawler; 1st Appearance of Storm; 1st Appearance of Thunderbird; 1st Appearance of X-Men (new); 1st Appearance of Colossus; 1st appearance of Nightcrawler (Kurt Wagner); 1st appearance of Storm (Ororo Munroe); 1st appearance of Thunderbird (John Proudstar); 1st appearance of Colossus (Peter Rasputin); 1st appearance of Illyana Rasputin; Origin of Storm; Origin of Storm (Ororo Munroe); Origin of Nightcrawler (Kurt Wagner); Origin of Nightcrawler; Summer 1975 |
| 5 | Marvel Comics Presents (3rd Series) | 1st Appearance of Doctor Strange (Earth-TRN758); 1st Appearance of Shadowcat (Earth-TRN758); 1st Appearance of Wong (Earth-TRN758); 1st Appearance of X-Men (Earth-TRN758); 1st Appearance of Nightcrawler (Earth-TRN758); 1st Appearance of Professor X (Earth-TRN758); 1st Appearance of Storm (Earth-TRN758); 1st Appearance of Yukio (Earth-TRN758) |
| 1 | Powers of X | 1st Appearance of the Man-Machine Ascendancy (Earth-TRN753); 1st Appearance of Librarian (Earth-TRN753); 1st Appearance of Nimrod the Greater (Earth-TRN753); 1st Appearance of the Man-Machine Supremacy (Earth-TRN756); 1st Appearance of Nimrod the Lesser (Earth-TRN756); 1st Appearance of Omega Sentinel (Earth-TRN756); 1st Appearance of Theta Sentinel (Earth-TRN756); 1st Appearance of Post-Humans (race) (Earth-TRN753); 1st Appearance of Wolverine (Earth-TRN753); 1st Appearance of X-Men (Earth-TRN753); 1st Appearance of Cardinal (X-Men) (Earth-TRN753); 1st Appearance of Cylobel (Earth-TRN753); 1st Appearance of Rasputin IV (Earth-TRN753); 1st Appearance of X-Men (Earth-TRN756); 1st Appearance of Cardinal (X-Men) (Earth-TRN756); 1st Appearance of Cylobel (Earth-TRN756); 1st Appearance of Last Horsemen of Apocalypse (Earth-TRN756); 1st Appearance of Death (Xorn) (Earth-TRN756); 1st Appearance of Famine (Cypher) (Earth-TRN756); 1st Appearance of Pestilence (North) (Earth-TRN756); 1st Appearance of War (Wolverine) (Earth-TRN756); 1st Appearance of Percival (Earth-TRN756); 1st Appearance of Rasputin IV (Earth-TRN756); Includes packet of Krakoa Seeds; Crossover Miniseries with House of X; Part 2 of 12; Story continued from House of X #1; Story continues in House of X #2 |
| 1 | Ultimate X-Men | 1st appearance of Professor X (Ultimate); 1st appearance of Cyclops (Ultimate); 1st appearance of Marvel Girl (Ultimate); 1st appearance of Iceman (Ultimate); 1st appearance of Beast (Ultimate); 1st appearance of Storm (Ultimate); 1st appearance of Colossus (Ultimate); 1st appearance of Wolverine (Ultimate); 1st appearance of Brotherhood of Mutants (Ultimate); 1st appearance of Magneto (Ultimate); 1st appearance of Quicksilver (Ultimate); 1st appearance of Scarlet Witch (Ultimate); 1st appearance of Toad (Ultimate); 1st appearance of Sentinels (Ultimate); 1st appearance of Boliver Trask (Ultimate); 1st appearance of X-Men (Ultimate) |
| 1/H | Ultimate X-Men | 1st Appearance of Professor X (Ultimate); 1st Appearance of Cyclops (Ultimate); 1st Appearance of Marvel Girl (Ultimate); 1st Appearance of Iceman (Ultimate); 1st Appearance of Beast (Ultimate); 1st Appearance of Storm (Ultimate); 1st Appearance of Colossus (Ultimate); 1st Appearance of Wolverine (Ultimate); 1st Appearance of Brotherhood of Mutants (Ultimate); 1st Appearance of Magneto (Ultimate); 1st Appearance of Quicksilver (Ultimate); 1st Appearance of Scarlet Witch (Ultimate); 1st Appearance of Toad (Ultimate); 1st Appearance of Sentinels (Ultimate); 1st Appearance of Boliver Trask (Ultimate); 1st Appearance of X-Men (Ultimate) |
| 1/NS | Ultimate X-Men | 1st appearance of Beast (Ultimate); 1st appearance of Boliver Trask (Ultimate); 1st appearance of Brotherhood of Mutants (Ultimate); 1st appearance of Colossus (Ultimate); 1st appearance of Cyclops (Ultimate); 1st appearance of Iceman (Ultimate); 1st appearance of Magneto (Ultimate); 1st appearance of Marvel Girl (Ultimate); 1st appearance of Professor X (Ultimate); 1st appearance of Quicksilver (Ultimate); 1st appearance of Scarlet Witch (Ultimate); 1st appearance of Sentinels (Ultimate); 1st appearance of Storm (Ultimate); 1st appearance of Toad (Ultimate); 1st appearance of Wolverine (Ultimate); 1st appearance of X-Men (Ultimate) |
| 1 | Ultimate X-Men (Marvel UK) | 1st appearance of Professor X (Ultimate); 1st appearance of Cyclops (Ultimate); 1st appearance of Marvel Girl (Ultimate); 1st appearance of Iceman (Ultimate); 1st appearance of Beast (Ultimate); 1st appearance of Storm (Ultimate); 1st appearance of Colossus (Ultimate); 1st appearance of Wolverine (Ultimate); 1st appearance of Brotherhood of Mutants (Ultimate); 1st appearance of Magneto (Ultimate); 1st appearance of Quicksilver (Ultimate); 1st appearance of Scarlet Witch (Ultimate); 1st appearance of Toad (Ultimate); 1st appearance of Sentinels (Ultimate); 1st appearance of Boliver Trask (Ultimate); 1st appearance of X-Men (Ultimate) |
| 4 | Wolverine & the X-Men | 1st Appearance of Apocalypse (Earth-12034); 1st Appearance of X-Men (Earth-12034); Death of Deathlok Prime (Earth-12034); Death of Krakoa (Earth-12034); Regenesis tie-in |
| 4/NS | Wolverine & the X-Men | 1st Appearance of Apocalypse (Earth-12034); 1st Appearance of X-Men (Earth-12034); Death of Deathlok Prime (Earth-12034); Death of Krakoa (Earth-12034); Regenesis tie-in |
| 1 | X-Men (1st series) | 1st appearance of X-Men; 1st appearance of Magneto; 1st appearance of Professor X; 1st appearance of Angel (Warren Worthington III); 1st appearance of Beast (Hank McCoy); 1st appearance of Cyclops (Scott Summers); 1st appearance of Iceman (Bobby Drake); 1st appearance of Marvel Girl (Jean Grey); Origin of X-Men |
| 1-2 | X-Men (1st Series) | 1st appearance of Iceman (Bobby Drake); 1st appearance of Magneto; 1st appearance of Marvel Girl (Jean Grey); 1st appearance of Professor X; 1st appearance of X-Men; Origin of X-Men; Kevin Dooley LOC; St appearance of Cyclops (Scott Summers) |
| 1/A | X-Men (1st Series) | 1st appearance of Angel (Warren Worthington III); 1st appearance of Beast (Hank McCoy); 1st appearance of Cyclops (Scott Summers); 1st appearance of Iceman (Bobby Drake); 1st appearance of Magneto; 1st appearance of Marvel Girl (Jean Grey); 1st appearance of Professor X; 1st appearance of X-Men; Origin of X-Men; Kevin Dooley LOC |
| 1/B | X-Men (1st Series) | 1st appearance of Angel (Warren Worthington III); 1st appearance of Beast (Hank McCoy); 1st appearance of Cyclops (Scott Summers); 1st appearance of Iceman (Bobby Drake); 1st appearance of Magneto; 1st appearance of Marvel Girl (Jean Grey); 1st appearance of Professor X; 1st appearance of X-Men; Origin of X-Men; Kevin Dooley LOC |
| 1/C | X-Men (1st Series) | 1st appearance of Angel (Warren Worthington III); 1st appearance of Beast (Hank McCoy); 1st appearance of Cyclops (Scott Summers); 1st appearance of Iceman (Bobby Drake); 1st appearance of Magneto; 1st appearance of Marvel Girl (Jean Grey); 1st appearance of Professor X; 1st appearance of X-Men; Origin of X-Men; Kevin Dooley LOC |
| 1/D | X-Men (1st Series) | Origin of X-Men; 1st Appearance of Professor X; 1st Appearance of X-Men; 1st Appearance of Angel (Warren Worthington III); 1st Appearance of Beast (Hank McCoy); 1st Appearance of Cyclops (Scott Summers); 1st Appearance of Iceman (Bobby Drake); 1st Appearance of Marvel Girl (Jean Grey); 1st Appearance of Magneto |
| 1/E | X-Men (1st Series) | 1st appearance of Iceman (Bobby Drake); 1st appearance of Magneto; 1st appearance of Marvel Girl (Jean Grey); 1st appearance of Professor X; 1st appearance of X-Men; Origin of X-Men; Kevin Dooley LOC; St appearance of Cyclops (Scott Summers) |
| 1 | X-Men (UK Edition) | 1st appearance of Angel (Warren Worthington III); 1st appearance of Beast (Hank McCoy); 1st appearance of Cyclops (Scott Summers); 1st appearance of Iceman (Bobby Drake); 1st appearance of Magneto; 1st appearance of Marvel Girl (Jean Grey); 1st appearance of Professor X; 1st appearance of X-Men; Origin of X-Men |
| 1 | X-Men 2099 | 1st appearance of Serpentina; 1st Appearance of X-Men 2099 |
| 1/DF | X-Men 2099 | 1st appearance of Serpentina; 1st appearance of Serpentina signed R Lim & A Kubert; 1st Appearance of X-Men 2099; Limited to 1,000; Signed by Ron Lim & Adam Kubert with Dynamic Forces Certificate of Authenticity |
| 1/GO | X-Men 2099 | 1st Appearance of X-Men 2099 |
| 1/NS | X-Men 2099 | 1st appearance of Serpentina; 1st Appearance of X-Men 2099 |
| 1 | X-Men 2099 (Edicion Argentina) | 1st appearance of Serpentina; Death of Kung the Assassin; Versus Kung the Assassin; 2nd Appearance of Kung the Assassin; 1st Appearance of X-Men 2099 |
| 16 | X-Men: Blue | 1st Appearance of X-Men 2099 (Earth-TRN657); 1st Appearance of Bloodhawk (Earth-TRN657); 1st Appearance of Cerebra (Earth-TRN657); 1st Appearance of Krystalin (Earth-TRN657); 1st Appearance of La Lunatica (Earth-TRN567); 1st Appearance of Meanstreak (Earth-TRN567); 1st Appearance of Metalhead (Earth-TRN567); 1st Appearance of Skullfire (Earth-TRN567) |