Uncanny X-Men #221 CGC 9.4 WP SS Signed by Stan Lee 1st Full Appearance of Mr. Sinister (Cert 7017)

Why it's Hot:

• 1st full appearance of Mr. Sinister
• Cover art by Marc Silvestri and Dan Green
• CGC Signature Series Signed by Stan Lee
• White Pages

Synopsis:

It's the X-Men vs. the Marauders as the truth behind their mysterious leader is revealed. As the battle escalates, Mr. Sinister emerges from the shadows, marking the first full appearance of one of the X-Men's most iconic villains.