grailworth

Echo (Myke-4 Astor of Calish-Aetia)

3 appearances · First published 1967

Echo (Myke-4 Astor of Calish-Aetia) appears in 3 issues in grailworth's catalog, and was first published in 1967. First appearance: Adventure Comics #355 (1938), cover dated 1967.

First appearance

Cover of Adventure Comics #355 (1938) Adventure Comics #355 (1938)First appearance1967

Every appearance we value

Adventure Comics (1938) 1 issue

Superman / Batman (2003) 2 issues

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