Fritz Voltzmann (Marvel, Karl von Horstbadden)
Fritz Voltzmann (Marvel, Karl von Horstbadden) appears in 18 issues in grailworth's catalog, and was first published in 1956. First appearance: Yellow Claw #1 (1956), cover dated 1956.
First appearance
Every appearance we value
Captain America (1968) 1 issue
Marvel Premiere (1972) 1 issue
What If? (1977) 1 issue
Yellow Claw (1956) 3 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.