Billy Roberts (Doctor Spectrum)

10 appearances · First published 1974

Billy Roberts (Doctor Spectrum) appears in 10 issues in grailworth's catalog, and was first published in 1974.

Every appearance we value

Avengers (1963) 4 issues

Giant-Size Defenders (1974) 3 issues

Marvel Super Action (1977) 3 issues

Character appearances from the Grand Comics Database, CC BY-SA 4.0.