Mendel Stromm (Robot Master / Gaunt)
Mendel Stromm (Robot Master / Gaunt) appears in 6 issues in grailworth's catalog, and was first published in 1966. First appearance: Amazing Spider-Man #37 (1963), cover dated 1966. Key issues with Mendel Stromm include Amazing Spider-Man #39 (1963).
First appearance
Key issues
Deaths
Every appearance we value
Amazing Spider-Man (1963) 4 issues
Spidey (2016) 1 issue
Venomverse Reborn (2024) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.