Comic Title: All New Collectors' Edition C-55
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: 1978
On Sale Date: December 15, 1977 Newsstand Date December 15, 1977
Source: DC Coming Attractions, #13

Newsstand Date December 13, 1977
Source: Comic Reader, #151

Newsstand Date December 12, 1977
Source: Daily Planet, Vol. 77 #49
Listed as on sale the week of December 12th

Copyright Date January 31, 1978
Source: Library of Congress, Copyright Office 1978

Shipping Date November 22, 1977
Source: DC Coming Attractions, #13
Shipping the week of November 22nd

Frequency: Quarterly
Cover Price: $2.00
Page Count: 72
Editor: Joe Orlando

See Also: The Guide to DC Giants

Title: "The Millennium Massacre"
Pages: 64

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

Writer: Paul Levitz
Penciller: Mike Grell
Inker: Vince Colletta
Letterer: Gaspar Saladino
Colorist: Jerry Serpe

Reprinted In:
Superboy and the Legion of Super-Heroes Vol. 1 HC (2017)
Superboy and the Legion of Super-Heroes Tabloid Edition HC (2022)

Feature Character(s)

• Legion of Super-Heroes (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Brainiac 5 (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Chameleon Boy (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Colossal Boy (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Cosmic Boy (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Dawnstar (last appearance in Superboy #229; next appearance in Superboy & the Legion of Super-Heroes #237)
• Dream Girl (last appearance in Superboy & the Legion of Super-Heroes #233; next appearance in Superboy & the Legion of Super-Heroes #237)
• Element Lad (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #241)
• Karate Kid (last appearance in Kamandi, the Last Boy on Earth #58; next appearance in Superboy & the Legion of Super-Heroes #244)
• Lightning Lad (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Lightning Lass (last appearance in Superboy & the Legion of Super-Heroes #235; next appearance in Superboy & the Legion of Super-Heroes #237)
• Mon-El (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Phantom Girl (last appearance in Superboy & the Legion of Super-Heroes #234; next appearance in Superboy & the Legion of Super-Heroes #237)
• Princess Projectra (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Saturn Girl (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Shadow Lass (last appearance in Superboy & the Legion of Super-Heroes #235; next appearance in Superboy & the Legion of Super-Heroes #237)
• Shrinking Violet (last appearance in Superboy & the Legion of Super-Heroes #234; next appearance in Superboy & the Legion of Super-Heroes #237)
• Star Boy (last appearance in Superboy & the Legion of Super-Heroes #233; next appearance in Superboy & the Legion of Super-Heroes #237)
• Sun Boy (last appearance in Superboy & the Legion of Super-Heroes #232; next appearance in Superboy & the Legion of Super-Heroes #237)
• Superboy (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #237)
• Timber Wolf (last appearance in Superboy & the Legion of Super-Heroes #235; next appearance in Superboy & the Legion of Super-Heroes #237)
• Tyroc (last appearance in Superboy #222; next appearance in Superboy & the Legion of Super-Heroes #250)
• Ultra Boy (last appearance in Justice League of America #148; next appearance in Superboy & the Legion of Super-Heroes #237)
• Wildfire (last appearance in Superboy & the Legion of Super-Heroes #235; next appearance in Superboy & the Legion of Super-Heroes #237)

Supporting Character(s)

• Bouncing Boy (last appearance in Superboy #230; next appearance in Superboy & the Legion of Super-Heroes #243)
• Duo Damsel (last appearance in Superboy #216; next appearance in Superboy & the Legion of Super-Heroes #243)
• R. J. Brande (last appearance in Superboy & the Legion of Super-Heroes #232; next appearance in Superboy & the Legion of Super-Heroes #237)
• Rond Vidar (last appearance in Superboy & the Legion of Super-Heroes #233; next appearance in Brave & the Bold #179)
• Duplicate Boy (last appearance in Superboy & the Legion of Super-Heroes #234; next appearance in Legion of Super-Heroes #294)
• Legion of Substitute Heroes (last appearance in Superboy #211; next appearance in Superboy & the Legion of Super-Heroes #243)
• Polar Boy (last appearance in Superboy #200; next appearance in Superboy & the Legion of Super-Heroes #243)
• Night Girl (last appearance in Superboy & the Legion of Super-Heroes #236; next appearance in Superboy & the Legion of Super-Heroes #243)
• Stone Boy (last appearance in Superboy #211; next appearance in Superboy & the Legion of Super-Heroes #243)
• Chlorophyll Kid (last appearance in Superboy #211; next appearance in Superboy & the Legion of Super-Heroes #243)
• Fire Lad (last appearance in Superboy #211; next appearance in Superboy & the Legion of Super-Heroes #243)
• Color Kid (last appearance in Superboy #200; next appearance in Superboy & the Legion of Super-Heroes #243)

Villain(s)

• Time Trapper (last appearance in Superboy #223; next appearance in Super Friends #17)