Roadblock
Roadblock (G.I. Joe, Marvin F. Hinton, Real American Hero) appears in 110 issues in grailworth's catalog, and was first published in 1983. First appearance: G.I. Joe, A Real American Hero #22 (1982), cover dated 1984.
First appearance
Every appearance we value
G.I. Joe Yearbook (1985) 1 issue
G.I. Joe, A Real American Hero (1982) 38 issues
G.I. Joe: America's Elite (2005) 1 issue
G.I. Joe: Special (1995) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.