Suggestions by @papa'slittlemonster

Rachelle Lefevre

as Poison Ivy in Batman

Leo Bill

as The Mad Hatter in Batman

Sean Bean

as Galactus in The Fantastic Four

Kiele Sanchez

as Scorpia in He-Man and the Masters of the Universe

Minka Kelly

as Catra in He-Man and the Masters of the Universe

Paula Patton

as Shadow Weaver in He-Man and the Masters of the Universe

Mads Mikkelsen

as Dr. Otto Octavius in Venom: Dark Protector

Halle Berry

as Storm in X-Men: Evolution

Hugh Jackman

as Wolverine in X-Men: Evolution

James Marsden

as Cyclops in X-Men: Evolution

Oscar Isaac

as Apocalypse in X-Men: Evolution

Daniel Cudmore

as Colossus in X-Men: Evolution

Lucas Till

as Havok in X-Men: Evolution

Clive Standen

as Sabretooth in X-Men: Evolution

Nicholas Hoult

as Beast in X-Men: Evolution

Shawn Ashmore

as Iceman in X-Men: Evolution

Ellen Page

as Kitty Pryde in X-Men: Evolution

Luke Evans

as Quicksilver in X-Men: Evolution

Anna Paquin

as Rogue in X-Men: Evolution

Olivia Wilde

as Scarlet Witch in X-Men: Evolution