| 54 | X-Men (1st series) | 1st appearance of Alex Summers; 1st appearance of Living Pharaoh (Ahmet Abdol); Origin of Havok; Origin of Angel; Bob Wiacek L.O.C. |
| 55 | X-Men (1st series) | 2nd appearance of Alex Summers; 2nd appearance of Living Pharaoh (Ahmet Abdol); Origin of Havok; Origin of Angel |
| 56 | X-Men (1st series) | 1st appearance of Living Monolith (Ahmet Abdol); Origin of Angel; Origin of Havok |
| 54 | X-Men (UK Edition) | 1st appearance of Alex Summers (Havok); 1st appearance of Living Pharaoh; Origin of Havok; Origin of the Angel; Bob Wiacek L.O.C. |
| 55 | X-Men (UK Edition) | 2nd Appearance of Alex Summers (Havok); 2nd Appearance of Living Pharaoh; Origin of Havok; Origin of the Angel |
| 56 | X-Men (UK Edition) | 1st appearance of Living Monolith; Origin of Angel; Origin of Havok |