"Sibling Rivalry": Ultra Boy enters a bar and is immediately accosted. He handily beats up the toughs and heads to the Legion of Super-Heroes Headquarters where Spark is being introduced by [[Garth Ranzz (Post-Zero Hour)|her brother
- You want a straw with that, Ugly?
Appearing in "Sibling Rivalry"
- Legion of Super-Heroes
- Leland McCauley (Cameo)
- Mekt Ranzz (Flashback only)
- Lightning Beasts of Korbal (Flashback only)
- Winema Wazzo (On a TV or computer screen)
- Workforce (First appearance) (Cameo)
- New Earth
- Winath (Flashback only)
Synopsis for "Sibling Rivalry"
Cosmic Boy and Saturn Girl confront President Jeanne Chu about the change which will force Live Wire to leave the LSH. Brainiac 5 works with Invisible Kid in his lab and Apparition is upbraided by her mother for how dangerous the LSH is. She phases out of her apartment room and encounters Ultra Boy. Several Legionnaires mistake him for an invader and attack, causing damage to several buildings as the violence escalates.
Live Wire quits the team and flies off with Ultra Boy, who introduces him to the Workforce.
- No trivia.
- Discuss Legion of Super-Heroes Vol 4 64 on the forums
- Cover gallery for the Legion of Super-Heroes series
- Images from Legion of Super-Heroes Vol 4 64
- Legion of Super-Heroes Recommended Reading
- Adventure Comics (Volume 1)
- Adventure Comics (Volume 2)
- The Legion (Volume 1)
- Legion Lost (Volume 2)
- Legion of Super-Heroes (Volume 2)
- Legion of Super-Heroes (Volume 3)
- Legion of Super-Heroes (Volume 4)
- Legion of Super-Heroes (Volume 5)
- Legion of Super-Heroes (Volume 6)
- Legion of Super-Heroes (Volume 7)
- Legion of Super-Heroes (Volume 8)
- Legionnaires (Volume 1)
- Superboy and the Legion of Super-Heroes (Volume 1)
- Supergirl and the Legion of Super-Heroes (Volume 1)