Comic Title: Legion of Super-Heroes #277
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: July 1981
On Sale Date: April 23, 1981 Newsstand Date April 23, 1981
Source: Comic Reader, #190

Newsstand Date April 23, 1981
Source: Comics Journal, #63

Frequency: Monthly
Cover Price: $0.50
Page Count: 32
Editor: Mike W. Barr

Title: "The Man Who Chained the Earth"
Pages: 25

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

Plotter: Gerry Conway
Scripter: Roy Thomas
Penciller: Jimmy Janes
Inker: Frank Chiaramonte
Letterer: Ben Oda
Colorist: Eugene D'Angelo

Reprinted In:
Legion of Super-Heroes:Before the Darkness Vol. 2 HC (2022)

Feature Character(s)

• Legion of Super-Heroes (last appearance in Legion of Super-Heroes #276; next appearance in Legion of Super-Heroes #278)
• Blok (last appearance in Superman Family #207; next appearance in Legion of Super-Heroes #278)
• Brainiac 5 (last appearance in Superman Family #207; next appearance in Legion of Super-Heroes #280)
• Colossal Boy (last appearance in Legion of Super-Heroes #275; next appearance in Legion of Super-Heroes #278)
• Cosmic Boy (last appearance in Legion of Super-Heroes #274; next appearance in Legion of Super-Heroes #278)
• Element Lad (last appearance in Legion of Super-Heroes #275; next appearance in Legion of Super-Heroes #278)
• Karate Kid (last appearance in Legion of Super-Heroes #274; next appearance in Legion of Super-Heroes #278)
• Lightning Lad (last appearance in Superman Family #207; next appearance in Legion of Super-Heroes #278)
• Lightning Lass (last appearance in Legion of Super-Heroes #275; next appearance in Legion of Super-Heroes #278)
• Mon-El (last appearance in Legion of Super-Heroes #275; next appearance in Legion of Super-Heroes #278)
• Phantom Girl (last appearance in Legion of Super-Heroes #276; next appearance in Legion of Super-Heroes #278)
• Princess Projectra (last appearance in Legion of Super-Heroes #276; next appearance in Legion of Super-Heroes #278)
• Saturn Girl (last appearance in Superman Family #207; next appearance in Legion of Super-Heroes #278)
• Shadow Lass (last appearance in Legion of Super-Heroes #276; next appearance in Legion of Super-Heroes #278)
• Star Boy (last appearance in Legion of Super-Heroes #276; next appearance in Legion of Super-Heroes #278)
• Superboy (as Reflecto; last appearance in New Adventures of Superboy #18; next appearance in Legion of Super-Heroes #278)
• Timber Wolf (last appearance in Legion of Super-Heroes #275; next appearance in Legion of Super-Heroes #278)
• Wildfire (last appearance in Legion of Super-Heroes #275; next appearance in Legion of Super-Heroes #278)

Supporting Character(s)

• Bouncing Boy (last appearance in Secrets of the Legion of Super-Heroes #1; next appearance in Legion of Super-Heroes #278)
• Duo Damsel (last appearance in Secrets of the Legion of Super-Heroes #1; next appearance in Legion of Super-Heroes #278)

Villain(s)

• Grimbor (last appearance in Superboy & the Legion of Super-Heroes #240; next appearance in Legion of Super-Heroes #278)