Comic Title: Legion of Super-Heroes #270
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: December 1980
On Sale Date: September 25, 1980 Newsstand Date September 25, 1980
Source: DC Coming Attractions, #46

Newsstand Date September 25, 1980
Source: Comics Journal, #58

Copyright Date September 25, 1980
Source: Library of Congress, Copyright Office 1980

Newsstand Date September 25, 1980
Source: Comic Reader, #183

Newsstand Date September 22, 1980
Source: Daily Planet, Vol. 80 #24
Listed as on sale the fourth week of September

Shipping Date September 2, 1980
Source: DC Coming Attractions, #46

Frequency: Monthly
Cover Price: $0.50
Page Count: 32
Editor: Jack C. Harris

Title: "Who Is the Dark Man?"
Pages: 25

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

Writer: Gerry Conway
Penciller: Jimmy Janes
Inker: Frank Chiaramonte
Letterer: Milton Snapinn
Colorist: Eugene D'Angelo

Reprinted In:
Legion of Super-Heroes:Before the Darkness Vol. 1 HC (2021)

Feature Character(s)

• Legion of Super-Heroes (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Colossal Boy (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Lightning Lad (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Lightning Lass (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Mon-El (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Princess Projectra (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Saturn Girl (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Shadow Lass (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Shrinking Violet (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Timber Wolf (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Wildfire (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)

Supporting Character(s)

• Blok (last appearance in Superboy & the Legion of Super-Heroes #254; next appearance in Legion of Super-Heroes #271)

Villain(s)

• Fatal Five (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Emerald Empress (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Mano (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Persuader (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Tharok (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• Validus (last appearance in Legion of Super-Heroes #269; next appearance in Legion of Super-Heroes #271)
• League of Super-Assassins (last appearance in Superboy & the Legion of Super-Heroes #254; no further appearances)