| 1 | Amazing Adventures (4th Series) | Reprints first part of X-Men (1st Series) #1; 1st appearance of the X-Men; 2nd story reprinted from X-Men 1st series) #38 |
| 1/NS | Amazing Adventures (4th Series) | Reprints first part of X-Men (1st Series) #1; 1st appearance of the X-Men; 2nd story reprinted from X-Men 1st series) #38 |
| 1 | X-Men: Children of the Atom (2nd Series) | Reprints; 1st appearance of The X-Men; 1st appearance of Magneto; Collects X-Men #1–3 in black and white; Digest format |