# Sub-Mariner (1968) #63

Published: 1973-07-01T00:00:00+0000
Series: Sub-Mariner (1968 - 1974)
Creators: Steve Gerber (writer), Bill Everett (writer), Howard Chaykin (penciler), Joe Sinnott (cover artist), Syd Shores (cover artist), John Costanza (letterer), Glynis Oliver (colorist), Art Simek (letterer), John Romita Sr. (penciler)

---

The final showdown between Namor and Doctor Hydro is here at last! Can the prince of the blood defend his realm from catastrophe? And the ancient legend of Atlantis continues!