Hellinger
Hellinger (Harlan Ryker, typically from Earth-7484) appears in 6 issues in grailworth's catalog, and was first published in 1976. First appearance: Astonishing Tales #33 (1970), cover dated 1976.
First appearance
Every appearance we value
Astonishing Tales (1970) 3 issues
Captain America (1968) 2 issues
Marvel Spotlight (1971) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.