Suggestions by @gordillio

Dominic Purcell

as Cain Marko in MCU X-Men villains

Mike Myers

as Frederick Dukes in MCU X-Men villains

Alexander Skarsgård

as Victor Creed in MCU X-Men villains

Wes Bentley

as Nathaniel Essex in MCU X-Men villains

Léa Seydoux

as Raven Darkholme in MCU X-Men villains

Werner Herzog

as Erik Lehnsherr in MCU X-Men villains

Danny Huston

as Erik Lehnsherr in MCU X-Men villains

Florian Munteanu

as Piotr Rasputin in MCU X-Men

Willa Holland

as Anna Marie in MCU X-Men

Freya Allan

as Kitty Pryde in MCU X-Men

Dane DeHaan

as John Allerdyce in MCU X-Men

Summer Glau

as Raven Darkholme in MCU X-Men

Léa Seydoux

as Raven Darkholme in MCU X-Men

Clive Standen

as Ben Grimm in MCU Live-Action Fan Castings That We Wish Would Come True

Aaron Eckhart

as Lex Luthor in Superman Villains

Jack Lowden

as Warren Worthington III in MCU X-Men

Patrick Wilson

as Dr. Henry McCoy in MCU X-Men

Anna Diop

as Ororo Munroe in MCU X-Men

Bill Skarsgård

as Kurt Wagner in MCU X-Men

Haley Lu Richardson

as Jean Grey in MCU X-Men