Imperial Hydra (Arnold Brown, Marvel)
Imperial Hydra (Arnold Brown, Marvel) appears in 7 issues in grailworth's catalog, and was first published in 1965. First appearance: Strange Tales #135 (1951), cover dated 1965.
First appearance
Deaths
Every appearance we value
S.H.I.E.L.D. (2015) 1 issue
Strange Tales (1951) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.