Powderkeg (Frank Skorina)
Powderkeg (Frank Skorina) appears in 9 issues in grailworth's catalog, and was first published in 1989.
Every appearance we value
Amazing Spider-Man (1999) 2 issues
Deathlok (1991) 1 issue
Fantastic Four (1998) 1 issue
She-Hulk (2004) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.