Mister Sinister first appeared in Uncanny X-Men #221 in 1987. Marvel plans for Mister Sinister to play a significant role as the primary antagonist in the upcoming X-Men saga.

When he finally appears in full in 1987’s Uncanny X-Men #221, written by Claremont and penciled by Marc Silvestri, he looks a little corny. He’s got sharp teeth, thigh-high boots, and a ...

Created by Chris Claremont and Marc Silvestri, he first appeared in Uncanny X-Men #221 in 1987. Addressing the future of the X-Men in the MCU last year, ...

The villain, Mr. Sinister, is one of the X-Men's most dangerous foes who first appeared in Marvel Comics' Uncanny X-Men #221 (1987). Created by Chris Claremont and Marc Silvestri, Sinister was ...

Mister Sinister first appeared in Uncanny X-Men #221 in 1987. Marvel plans for Mister Sinister to play a significant role as ...