Dr. Kurt Marko

Trivia

• 🗓️ Dr. Kurt Marko first appeared in The X-Men #12 in 1965 — that's 61 years ago. It's a recognized key issue.
• 🎨 Co-created by Stan Lee and Jack Kirby.
• 📚 Appears in 1 issues across 1 different series.
• ⭐ 1 of their appearances are key issues collectors actively chase.