Crimson Cowl
Ultron
- Also known as
First appearance: The Avengers (Marvel, 1963 series) #55 (August 1968).
Appearances
- The Avengers #54 — 1968-07-00
- Marvel Triple Action #47 — 1979-04-00
- The Avengers #325 — 1990-10-00
Ultron
First appearance: The Avengers (Marvel, 1963 series) #55 (August 1968).