My mother-in-law, who hates the Legion, and me especially, just got made president of the galaxy. 
The Legion #10 is an issue of the series The Legion (Volume 1) with a cover date of September, 2002. It was published on July 24, 2002.
Synopsis for "Thresholds"
At a Legion of Super-Heroes meeting, Cosmic Boy announces that the Legion's new leader is Kid Quantum.
Spark goes home to visit family after announcing she would now like to be called Live Wire to honor her fallen brother.
The Legion discover that the Robotican Homeworld will arrive at Earth in 15 hours. Kid Quantum leads an attack on the Robotican forces. The Robotican forces suddenly disappear and the Earth turns into a machine.
Appearing in "Thresholds"
Featured Characters:
- Legion of Super-Heroes
- Kid Quantum
- Shikari
- Sensor
- Triad
- Star Boy
- XS
- Saturn Girl
- Chuck Taine
- Ultra Boy
- Cosmic Boy
- Spark (First appearance as Live Wire)
- Brainiac 5
- Kinetix
- Umbra
- Gear
- Sensor
- Invisible Kid
- Violet
- Chameleon
- Gates
- Wildfire
- M'Onel
Supporting Characters:
- Science Police
- Mekt Ranzz
- Winema Wazzo
- Sharn Nux
Antagonists:
Other Characters:
Locations:
Items:
- Legion Flight Rings
- Omnicom
Vehicles:
See Also
Recommended Reading
- 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)