Marvel Comics – Page 8 – Claudia Hackman

The Uncanny X-Men #239 1988 Newsstand Edition 1st Mister Sinister Cover FN

Uncanny X-Men, The #221 (Newsstand) FN; Marvel | 1st Appearance Mr. Sinister – w

Sins Of Sinister 1 CGC 9.8 Marvel 3/23 E. M. Gist Virgin Variant Marvel #1 Nice

Uncanny X-Men #221 (1st appearance of Mister Sinister) CGC 9.4 Graded Marvel

X-MEN ADVENTURES SEASON 2 #1-6 (1994) DE 1ST Print Set! ❌ Mister SINISTER! VFNM

The Uncanny X-men #238-241 (1989) Marvel Comics Mister Sinister Goblin Queen

X-Men 239 CGC 9.8 WP 1988 Marvel Comics 1st Appearance Mister Sinister on Cover

Uncanny X-Men #221 ⭐ CBCS 9.8 WHITE PGs ⭐ 1st App of MISTER SINISTER Marvel 1987

Uncanny X-Men (2nd Series) #20 VF/NM; Marvel | Last Issue Kieron Gillen – w/Bag+

Uncanny X-Men 221 CGC Graded 9.0 1st Mister Sinister SIGNED by MARC SILVESTRI