| Issue | #13 |
| Published | September 1965 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Stan Lee |
| Characters | The X-Men [Professor X; Cyclops; Marvel Girl [Jean Grey]; Angel; Beast; Iceman]; The Human Torch; Juggernaut |
| Genre | superhero |
| Pencils | Jack Kirby |
| Inks | Joe Sinnott |
| Reprinted | in Marvel Masterworks (Marvel, 1987 series) #7; in X-Men: The Early Years (Marvel, 1994 series) #13; in X-Men No. 13 (Marvel, 2004 series) #[nn]. |
| Characters | The X-Men [Professor X; Cyclops; Marvel Girl [Jean Grey]; Angel; Beast; Iceman]; Juggernaut; Human Torch |
| Synopsis | Juggernaut has invaded the mansion and the X-Men struggle to take down Xavier's unstoppable half-brother; Human Torch lends a hand and Professor X is able to bring his brother down. |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Jack Kirby (layouts); Werner Roth [as Jay Gavin] |
| Inks | Joe Sinnott |
| Letters | Sam Rosen |
| Reprinted | in X-Men (Marvel, 1963 series) #67; in Marvel Masterworks (Marvel, 1987 series) #7; in X-Men: The Early Years (Marvel, 1994 series) #13; in X-Men (K. G. Murray, 1970 series) #2; in Marvel Special (Marvel Italia, 1994 series) #6; in X-Men No. 13 (Marvel, 2004 series) #[nn]. |