# Sub-Mariner (1968) #13

Published: 1969-05-01T00:00:00+0000
Series: Sub-Mariner (1968 - 1974)
Creators: Marie Severin (penciler), Joe Sinnott (cover artist), Sam Rosen (letterer), Roy Thomas (writer)

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Karthon uncovers a deadly secret about Naga and a member of his family. Namor's temper lands him in hot water.