Deathlok (robot created by Harlan Ryker)
Deathlok (robot created by Harlan Ryker) appears in 5 issues in grailworth's catalog, and was first published in 1979. First appearance: Marvel Two-in-One #53 (1974), cover dated 1979.
First appearance
Every appearance we value
Amazing Spider-Man (1963) 1 issue
Marvel Two-in-One (1974) 4 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.