| 17 | Amazing Adventures (3rd Series) | Reprints from X-Men (1st series) #49 (Oct 1968), #50 (Nov 1968), #51 (Dec 1968), #52 (Jan 1969), and #53 (Feb 1969); Origin of the Beast reprinted |
| 17 | Amazing Adventures (UK Edition) | Reprints Origin of the Beast from X-Men #49-53 |
| 1 | Avengers Two: Wonder Man & Beast | Origin of Wonder Man (Simon Williams); Origin of the Beast (Hank McCoy) |
| 49 | X-Men (UK Edition) | 1st Appearance of Mesmero; 1st appearance of Polaris (Lorna Dane); Origin of the Beast; Tony Isabella L.O.C. |
| 50 | X-Men (UK Edition) | 1st Appearance of El Conquistador; 1st Appearance of Chico; 2nd Appearance of Mesmero; 2nd Appearance of Polaris (Lorna Dane); Origin of the Beast; Versus Mesmero |
| 51 | X-Men (UK Edition) | 1st Appearance of Eric the Red; 2nd Appearance of El Conquistador; 2nd Appearance of Chico; Origin of the Beast; Versus Mesmero |
| 52 | X-Men (UK Edition) | 2nd Appearance of Eric the Red; Origin of the Beast; Origin of Lorna Dane |
| 53 | X-Men (UK Edition) | Origin of the Beast; Versus Blastaar; Barry Windsor-Smith’s 1st comic book art; Mark Gruenwald L.O.C. |