Comic Title: Superboy & the Legion of Super-Heroes #241
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: July 1978
On Sale Date: April 20, 1978 Newsstand Date April 20, 1978
Source: DC Coming Attractions, #17

Newsstand Date April 18, 1978
Source: DC Coming Attractions, #17
For Release the week of April 18th

Copyright Date April 20, 1978
Source: Library of Congress, Copyright Office 1978

Newsstand Date April 18, 1978
Source: Comic Reader, #155

Newsstand Date April 17, 1978
Source: Daily Planet, Vol. 78 #15
Listed as on sale the week of April 17th

Shipping Date March 28, 1978
Source: DC Coming Attractions, #17
Shipping the week of March 28th

Frequency: Monthly
Cover Price: $0.60
Page Count: 48
Editor: Allen Milgrom

See Also: The Guide to DC Giants

Title: "Prologue to Earthwar"
Pages: 22

Feature(s):
Legion of Super-Heroes (of Earth-1)

Writer: Paul Levitz
Penciller: James T. Sherman
Inker: Bob McLeod
Letterer: Ben Oda
Colorist: Cornelia Adams

Reprinted In:
Superboy and the Legion of Super-Heroes Vol. 2 HC (2018)

Feature Character(s)

• Legion of Super-Heroes (last appearance in DC Comics Presents #2; next appearance in Superboy & the Legion of Super-Heroes #242)
• Brainiac 5 (last appearance in DC Comics Presents #2; next appearance in Superboy & the Legion of Super-Heroes #242)
• Chameleon Boy (last appearance in Superboy & the Legion of Super-Heroes #239; next appearance in Superboy & the Legion of Super-Heroes #243)
• Dawnstar (last appearance in Superboy & the Legion of Super-Heroes #239; next appearance in Superboy & the Legion of Super-Heroes #242)
• Element Lad (last appearance in All New Collectors' Edition C-55; next appearance in Superboy & the Legion of Super-Heroes #242)
• Mon-El (last appearance in DC Comics Presents #2; next appearance in Superboy & the Legion of Super-Heroes #242)
• Phantom Girl (last appearance in Superboy & the Legion of Super-Heroes #240; next appearance in Superboy & the Legion of Super-Heroes #243)
• Shrinking Violet (last appearance in Superboy & the Legion of Super-Heroes #237; next appearance in Superboy & the Legion of Super-Heroes #243)
• Sun Boy (last appearance in Superboy & the Legion of Super-Heroes #240; next appearance in Superboy & the Legion of Super-Heroes #242)
• Superboy (last appearance in DC Comics Presents #2; next appearance in Superboy & the Legion of Super-Heroes #242)
• Ultra Boy (last appearance in Superboy & the Legion of Super-Heroes #239; next appearance in Superboy & the Legion of Super-Heroes #242)
• Wildfire (last appearance in DC Comics Presents #2; next appearance in Superboy & the Legion of Super-Heroes #242)

Supporting Character(s)

• Shvaughn Erin (next appearance in Superboy & the Legion of Super-Heroes #243)

Villain(s)

• Mordru (last appearance in Justice League of America #148; next appearance in Superboy & the Legion of Super-Heroes #242)