Arkon
Arkon (Marvel) appears in 18 issues in grailworth's catalog, and was first published in 1970. First appearance: Avengers #75 (1963), cover dated 1970.
First appearance
Every appearance we value
Avengers (1998) 2 issues
Fantastic Four (1961) 2 issues
Marvel Super Action (1977) 2 issues
Squadron Supreme (2016) 1 issue
West Coast Avengers (1985) 1 issue
X-Men (1963) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.