Sigma (WildStorm / Image)
Sigma (WildStorm / Image) appears in 5 issues in grailworth's catalog, and was first published in 1996.
Origin
Every appearance we value
Gen 13 (1995) 3 issues
Gen 13 (1999) 1 issue
Sigma (1996) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.