Tales of Suspense 1959 #80 - 6.5 - $29.00

A frenzied Sub-Mariner attacks the weakened Iron Man in his lab. Iron Man tricks Subby into throwing him into a reinforced safe room where his is able to close the door and recharge his armor. Sub-Mariner is also in need of a recharge so he flies off to take a quick dip in the ocean. Meanwhile the police arrive at Stark Industries and accuse Iron Man of wanton damage. Pepper and Happy have turned up too. A refreshed Sub-Mariner prepares himself for round two!

Rescuing a pilot whose plane was shot out of the sky Cap discovers he is an A.I.M. agent. He reveals their creation of The Cosmic Cube which has been stolen by it's keeper who is taking it to The Red Skull. Cap catches up to The Keeper and as they battle the hypnotized man hits the ejector switch and the two parachute down to a remote island in view of The Skull. The Skull tells Cap he was the one who gave the orders that resulted in Bucky's death. Gaining the Cosmic Cube which can convert thought waves into material action Cap realizes his foe has become invincible.

On sale date as given in the copyright application as listed in the Catalog of Copyright Entries, Periodicals, 1966, page 343, registration number B277430. Additional reprint info supplied by Henry Kujawa via GCD Errors list (August 2007).

• When Fall the Mighty! - Story continues in the Sub-Mariner story in Tales to Astonish #82. Reprint correction and addition supplied by Henry Kujawa via GCD Errors list (August 2007).
• Items of Lasting Insignificance from the Four Corners of Marveldom! - Bulletins (including letter from Jan Shpiegelman); The Wrap-Up!; The Mighty Marvel Checklist; Let's Meet 26 More M.M.M.S. Members!
• He Who Holds the Cosmic Cube - Part 2 of 3. The palm magnets Cap uses to latch onto the Keeper's jet were later used by Nick Fury in STRANGE TALES #166 (March 1968). Synopsis, notes, and other corrections submitted by Henry Kujawa via GCD Errors list (August 2007).
• - Letters from Edward Rippy, Gilbert Mazur, Bill Kirchner, and Richard Cundari; next issue blurb; order blank for joining M.M.M.S.; small illustration of Iron Man.