Tales of Suspense Vol.1 #90
Melter forces Tony Stark to improve his weapon; After he leaves Stark for dead, Tony Stark dons one of his old armors and defeats Melter.
Cap manages to escape from the Red Skull's death trap, only to find out the Skull is lifting Manhattan into the sky; The only way Cap can save the island is by pledging to do the Skull's bidding for 24 hours.
Printed: Jun 1967
Writers: Stan Lee
Art: Gene Colan, Frank Giacoia, Gil Kane, and Joe Sinnott
Cover: Gene Colan and Jack Giacoia