| 300 | Uncanny X-Men, The | 1st Appearance of Senyaka; 1st Appearance of Milan; 1st Appearance of Mellencamp; 1st Appearance of Javitz; 1st Appearance of Katu; 1st Appearance of Ameiia Vogt; 1st Appearance of Scanner; 1st Appearance of Neophyte; 1st Appearance of Spoor |
| 300/NS | Uncanny X-Men, The | 1st Appearance of Ameiia Vogt; 1st Appearance of Javitz; 1st Appearance of Katu; 1st Appearance of Mellencamp; 1st Appearance of Milan; 1st Appearance of Neophyte; 1st Appearance of Scanner; 1st Appearance of Senyaka; 1st Appearance of Spoor |