| 1 | Sub-Mariner: The Depths | 1st appearance of Admiral Howard Lee; 1st appearance of Captain Marlowe; 1st appearance of Doctor Randolph Stein; 1st appearance of Ryan |
| 1/NS | Sub-Mariner: The Depths | 1st appearance of Admiral Howard Lee; 1st appearance of Captain Marlowe; 1st appearance of Doctor Randolph Stein; 1st appearance of Ryan |