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Trivia
- 🗓️ Mr. Sinister first appeared in X-Men #2 in 1997 — that's 29 years ago.
- 🎨 Co-created by Scott Lobdell and Reinhard Schweizer.
- 📚 Appears in 10 issues across 5 different series.
- 📈 Has appeared in comics for 28 years (1997–2025) — a true Copper/Modern Age mainstay.