Triple-Iron
Triple-Iron (Marvel) appears in 4 issues in grailworth's catalog, and was first published in 1974. First appearance: Marvel Premiere #17 (1972), cover dated 1974.
First appearance
Every appearance we value
Captain America (1968) 2 issues
Marvel Premiere (1972) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.