FIRST APPEARANCE
Uncanny X-Men #221
Marvel1987Bronze Age
* NEW
201BUZZ
News mention spike for Mr. Sinister (cameo era debated)
GUIDE$48.95(range $25.00 – $248.00)LOW CONF
Good · 11 sampled listings · Fortress Market Guide · eBay + HipComic
WHY IT MATTERS
Early Mr. Sinister key appearance.
First appearance
ISSUE PROFILE
Cover Date
1987
KEY EVENTS
PRICE HISTORY - 90 DAYS
COLLECTOR NOTES
First appearancemajorMr. Sinister (cameo era debated)
Early Mr. Sinister key appearance.
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