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