| 1 | Fear Itself: The Worthy | Origin of Sin; Origin of Juggernaut; Origin of Titania; Origin of Grey Gargoyle; Origin of Attuma; Origin of Absorbing Man; Origin of Hulk; Origin of Thing |
| 1/NS | Fear Itself: The Worthy | Origin of Absorbing Man; Origin of Attuma; Origin of Grey Gargoyle; Origin of Hulk; Origin of Juggernaut; Origin of Sin; Origin of Thing; Origin of Titania |
| 17 | Super-Heroes, The | Reprints X-Men (1st series) #11 (pages 1-12); Reprints Silver Surfer (vol. 1) #5 (pages 1-21); 1st Appearance of Juggernaut; 1st appearance Juggernaut (Cain Marko); 1st Appearance of Al B. Harper; Origin of Professor X; Origin of Professor Xavier; Origin of Charles Xavier; Origin of Juggernaut; Magazine-size; B&W |
| 12 | X-Men (1st series) | 1st appearance Juggernaut (Cain Marko); Origin of Juggernaut; Origin of Professor X |
| 12 | X-Men (UK Edition) | 1st appearance Juggernaut (Cain Marko); Origin of Juggernaut; Origin of Professor X |