Comic Title: Tales to Astonish #41
Publisher: Marvel (Vista Publications Inc.)
Address: 655 Madison Avenue, New York, NY
Cover Date: March 1963
On Sale Date: December 3, 1962 Copyright Date December 3, 1962
Source: Library of Congress, Periodicals 1963

Frequency: Monthly
Cover Price: $0.12
Page Count: 32
Editor: Stan Lee

Title: "Prisoner of the Slave World"
Pages: 10

Feature(s):
Ant Man/Giant Man

Plotter: Stan Lee
Scripter: Larry D. Lieber
Artist: Don Heck
Letterer: Artie Simek

Reprinted In:
Essential Ant-Man Vol. 1 TPB (2002)
Marvel Masterworks Vol. 59:Ant-Man/Giant-Man Vol. 1 HC (2006)
Marvel Masterworks Vol. 59:Ant-Man/Giant-Man Vol. 1 HC [Variant] (2006)
Marvel Masterworks:Ant-Man/Giant-Man Vol. 1 TPB (2014)
Marvel Masterworks:Ant-Man/Giant-Man Vol. 1 TPB [Variant] (2014)
Ant-Man/Giant-Man Epic Collection:The Man in the Ant Hill TPB (2015)

Feature Character(s)

• Ant-Man (last appearance in Tales to Astonish #40; next appearance in Tales to Astonish #42)

Villain(s)

• Kulla (an alien warlord; dies in this story; no further appearances)
• A window washer (no further appearances)
• Kulla's followers (no further appearances)

Other Character(s)

• Several kidnapped scientists (Paul, Ben, and Carter named; no further appearances)

Synopsis:
A window washer paralyzes Henry Pym with an alien liquid, then absconds with him to another dimension. Pym is one of several captured scientists forced to build a death ray by Kulla, an alien warlord. Pym isolates himself from the others, then becomes Ant-Man. Using his cybernetic helmet, Ant-Man and the insects of the alien dimension defeat Kulla and rescue the scientists.