Cluster
Cluster (Marvel) appears in 3 issues in grailworth's catalog, and was first published in 2000. First appearance: Spider-Woman #7 (1999), cover dated 2000.
First appearance
Every appearance we value
Spider-Woman (1999) 2 issues
Uncanny X-Force (2013) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.