Halvacenter

Halvacenter is a fictional alien city featured in comic books published by Marvel Comics. It is part of the mainstream Marvel Universe and is associated with the Silver Surfer and Captain Marvel lines of titles. It first appeared in Silver Surfer, Volume 3 #72 in September, 1992.

Description
Halvacenter was one of the major city centers located on the planet Calculex. Amongst is environs was a jail/prison system, which housed various criminals. The Kree known as Zey-Rogg was a prisoner here for brief period.

Appearances

 * Captain Marvel Vol 3 1
 * Captain Marvel Vol 3 4
 * Captain Marvel Vol 3 5
 * Captain Marvel Vol 3 6
 * Captain Marvel Vol 4 14
 * Captain Marvel Vol 4 32
 * Captain Marvel Vol 4 33
 * Captain Marvel Vol 4 34
 * Captain Marvel Vol 4 35
 * Iron Man Special 1
 * Nova Vol 6 10
 * Silver Surfer Annual 7
 * Silver Surfer Vol 3 72
 * Silver Surfer Vol 3 73
 * Silver Surfer Vol 3 89