Omegatron (from The Defenders)
Omegatron (from The Defenders) appears in 2 issues in grailworth's catalog, and was first published in 1971. First appearance: Marvel Feature #1 (1971), cover dated 1971.
First appearance
Every appearance we value
Incredible Hulk (1962) 1 issue
Marvel Feature (1971) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.