Published: August 1966
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Story Featuring Captain America
Story Featuring Iron Man
"This is your finish, Avenger!"
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!
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).
"An explosion!!"
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.
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).
Letter Column Featuring Mails of Suspense
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.
In-House Column Featuring Bullpen Bulletins
"Bulletin! Talk about a blast!"
Bulletins (including letter from Jan Shpiegelman); The Wrap-Up!; The Mighty Marvel Checklist; Let's Meet 26 More M.M.M.S. Members!
© 2026 Dollar Bin Longbox. All data courtesy of the Grand Comics Database.