Suggestions by @conorgrier

Mark Hamill

as MASTER MOLD in X-MEN 2

Will Smith

as MASTER MOLD in X-MEN 2

Robert Downey Jr.

as MASTER MOLD in X-MEN 2

Samuel L. Jackson

as MASTER MOLD in X-MEN 2

Tom Kenny

as MASTER MOLD in X-MEN 2

Jacob Bertrand

as PYRO in X-MEN 2

Melissa Barrera

as PYRO in X-MEN 2

Mao Ichimichi

as PSYLOKE in X-MEN 2

Tony Vlachos

as JUGGERNAUT in X-MEN 2

Sarah Lacina

as MYSTIQUE in X-MEN 2

Peter Capaldi

as MAGNETO in X-MEN 2

Ben Driebergen

as WILLIAM STRIKER in X-MEN 2

Karan Brar

as GAMBIT in X-MEN 2

Jenna Ortega

as SHADOWCAT in X-MEN 2

Josh Peck

as BEAST in X-MEN 2

Axel Auriant

as NIGHT CRAWLER in X-MEN 2

Tanner Buchanan

as ICEMAN in X-MEN 2

Peyton List

as ROGUE in X-MEN 2

Teyonah Parris

as STORM in X-MEN 2

Abigail Cowen

as JEAN GREY in X-MEN 2