Comic Title: Action Comics #485
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: July 1978
On Sale Date: April 27, 1978 Newsstand Date April 25, 1978
Source: DC Coming Attractions, #17
For Release the week of April 25th

Copyright Date April 27, 1978
Source: Library of Congress, Copyright Office 1978

Newsstand Date April 25, 1978
Source: Comic Reader, #155

Newsstand Date April 24, 1978
Source: Daily Planet, Vol. 78 #16
Listed as on sale the week of April 24th

Shipping Date April 4, 1978
Source: DC Coming Attractions, #17
Shipping the week of April 4th

Frequency: Monthly
Cover Price: $0.35
Page Count: 32
Editor: Julius Schwartz

Title: "The Experiment That Backfired on Superman"
Pages: 17

Feature(s):
Superman (of Earth-1)

Writer: Cary Bates
Writer: Dennis J. O'Neil
Penciller: Curt Swan
Inker: Josef Rubinstein
Inker: Murphy Anderson
Letterer: Milton Snapinn
Colorist: Anthony Tollin

Reprinted In:
Action Comics #485 [Whitman Exclusive] (1978)

Feature Character(s)

• Superman (last appearance in Superman Family #190; next appearance in Justice League of America #157)

Comments:
Partial reprint of Superman #233 with new framing sequence.