Comic Title: Action Comics #501
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: November 1979
On Sale Date: August 23, 1979 Copyright Date August 23, 1979
Source: Library of Congress, Copyright Office 1979

Newsstand Date August 21, 1979
Source: Comic Reader, #171

Newsstand Date August 20, 1979
Source: DC Coming Attractions, #33
For release the week of August 20th

Newsstand Date August 20, 1979
Source: Daily Planet, Vol. 79 #33
Listed as on sale the week of August 20th

Newsstand Date August 20, 1979
Source: Comics Journal, #48

Shipping Date July 30, 1979
Source: DC Coming Attractions, #33

Frequency: Monthly
Cover Price: $0.40
Page Count: 32
Editor: Julius Schwartz

Title: "The Mystery of the Mild-Mannered Superman"
Pages: 17

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

Writer: Cary Bates
Penciller: Kurt Schaffenberger
Inker: Joe Giella
Letterer: Milton Snapinn
Colorist: Eugene D'Angelo

Reprinted In:
Action Comics #501 [Whitman Exclusive] (1979)

Feature Character(s)

• Superman (last appearance in Superman #341; next appearance in Super Friends #26)

Supporting Character(s)

• Lois Lane (last appearance in Superman Family #198; next appearance in DC Comics Presents #16)
• Lana Lang (last appearance in Action Comics #500; next appearance in Superman #342)
• Morgan Edge (last appearance in Superman #339; next appearance in Superman #344)
• Steve Lombard (last appearance in Action Comics #500; next appearance in Superman #346)

Villain(s)

• Superman Revenge Squad (last appearance in Action Comics #445; next appearance in Superman #365)