Sub-Mariner Comics (1941-1949) was briefly revived as Sub-Mariner in 1954, continuing the numbering from issue #33, but due to lagging sales it was cancelled after issue #42.
Sub-Mariner #33
"The Origin of the Sub-Mariner"
Release date: January 11, 1954
Cover date: April, 1954
"The Origin of the Sub-Mariner"
Release date: January 11, 1954
Cover date: April, 1954
Sub-Mariner #34
"Sub-Mariner"
Release date: March 10, 1954
Cover date: June, 1954
"Sub-Mariner"
Release date: March 10, 1954
Cover date: June, 1954
Sub-Mariner #35
"Invasion!"
Release date: May 10, 1954
Cover date: August, 1954
"Invasion!"
Release date: May 10, 1954
Cover date: August, 1954
Sub-Mariner #36
"The Hidden World!"
Release date: July 9, 1954
Cover date: November, 1954
"The Hidden World!"
Release date: July 9, 1954
Cover date: November, 1954
Sub-Mariner #37
"Wham!"
Release date: September 7, 1954
Cover date: December, 1954
"Wham!"
Release date: September 7, 1954
Cover date: December, 1954
Sub-Mariner #38
"The Sub-Mariner Strikes"
Release date: November 8, 1954
Cover date: February, 1955
"The Sub-Mariner Strikes"
Release date: November 8, 1954
Cover date: February, 1955
Sub-Mariner #39
"The Commie Frogmen Vs. Sub-Mariner!"
Release date: January 7, 1955
Cover date: April, 1955
"The Commie Frogmen Vs. Sub-Mariner!"
Release date: January 7, 1955
Cover date: April, 1955
Sub-Mariner #40
"The Sub-Mariner and the Secret Tunnel!"
Release date: March 7, 1955
Cover date: June, 1955
"The Sub-Mariner and the Secret Tunnel!"
Release date: March 7, 1955
Cover date: June, 1955
Sub-Mariner #41
"The Big Freeze"
Release date: May 6, 1955
Cover date: August, 1955
"The Big Freeze"
Release date: May 6, 1955
Cover date: August, 1955
Sub-Mariner #42
"Invasion"
Release date: July 6, 1955
Cover date: October, 1955
"Invasion"
Release date: July 6, 1955
Cover date: October, 1955