First full appearance of Mr. Sinister!
@Marvel’s Uncanny X-Men #221 features VeVe-Exclusive Rare & Ultra Rare covers by @WillSliney and @rachellecheri. Drops in blind box format Tue, 10 Jan at 8 AM PT: bit.ly/3GQkpn0
#MARVELxVeVe https://t.co/1Rw43xgwVH
Source by VeVe | Digital Collectibles
