Iron Man #120
In "The Old Man and the Sea Prince!", Iron Man crashes into the Atlantic during a clash between U.S. forces and the Sub-Mariner, forcing Tony Stark to investigate—and confront the underwater warrior head-on. With Justin Hammer secretly sabotaging his armor, Iron Man must push past exhaustion and betrayal as the battle beneath the waves escalates. Written by Bob Layton and David Michelinie, with art by Bob Layton and John Romita Jr., and a cover by Bob Layton, this 1979 Marvel classic delivers a tense, character-driven showdown.
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Tony Stark's plane crashes into the Atlantic due to a battle between U.S. government forces and the Sub-Mariner. Iron Man investigates and ends up fighting the Sub-Mariner. Behind the scenes, Justin Hammer is revealed to be behind Iron Man's recent armor malfunctions.
Plot details indexed by the Grand Comics Database (CC BY-SA).