Suggestions by @chrisbaker

Bryan Cranston

as Victor Freas in Mr Freeze

Score: +5

Jason Isaacs

as Victor Freas in Mr Freeze

Score: +2

Mads Mikkelsen

as Victor Freas in Mr Freeze

Score: -1

Sean Bean

as Professor X in X-Men Legends

Score: +1

Ansel Elgort

as Angel in X-Men Legends

Score: +1

Cameron Monaghan

as Havok in X-Men Legends

Score: +1

Stefan Kapičić

as Colossus in X-Men Legends

Score: +1

Ben Wishaw

as Ben Grimm in X-Men Legends

Score: -2

Eiza González

as Sue Storm in X-Men Legends

Score: +1

Xolo Maridueña

as Johnny Storm in X-Men Legends

Score: +1

Jacob Elordi

as Iceman in X-Men Legends

Score: +1

Cillian Murphy

as Victor Von Doom in X-Men Legends

Score: +2

Charlie Hunnam

as Gambit in X-Men Legends

Score: +1

Jeremy Irons

as Magneto in X-Men Legends

Score: +2

Viggo Mortensen

as Magneto in X-Men Legends

Score: 0

Pablo Schreiber

as Sabretooth in X-Men Legends

Score: +1

Jodie Comer

as Mystique in X-Men Legends

Score: +3

Jordan Peele

as Beast in X-Men Legends

Score: +1

Riz Ahmed

as Nightcrawler in X-Men Legends

Score: +1

Nathalie Emmanuel

as Storm in X-Men Legends

Score: +1