| 687 | Action Comics | [s]1993-12; 1st Appearance of alien Superman; 1st appearance of Last Son of Krypton; Includes poster; Reign of the Supermen |
| 687/NS | Action Comics | [s]1993-12; 1st Appearance of alien Superman; 1st appearance of Last Son of Krypton; Includes poster; Reign of the Supermen |