Xandu
Xandu (Marvel) appears in 6 issues in grailworth's catalog, and was first published in 1965. First appearance: Amazing Spider-Man Annual 2 (1963), cover dated 1965.
First appearance
Every appearance we value
Amazing Spider-Man (1963) 1 issue
Doctor Strange (1968) 1 issue
Giant-Size Spider-Man (1974) 1 issue
Marvel Fanfare (1982) 1 issue
Marvel Team-Up (1972) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.