Alpha
Alpha (Alpha the Ultimate Mutant, Marvel) appears in 6 issues in grailworth's catalog, and was first published in 1974. First appearance (in shadow): The Defenders #15 (1972), cover dated 1974.
First appearance
Every appearance we value
The Defenders (1972) 2 issues
Quasar (1989) 2 issues
X-Men (1963) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.