Baron Rivalen (Spawn: The Dark Ages)
Baron Rivalen (Spawn: The Dark Ages) appears in 4 issues in grailworth's catalog, and was first published in 1999. First appearance: Spawn: The Dark Ages #1 (1999), cover dated 1999.
First appearance
Every appearance we value
Spawn: The Dark Ages (1999) 4 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.