Suggestions by @gustavofilmes

Henry Ian Cusick

as Nightmare (Villain) in Ghost Rider 3

Score: +4

Vincent Martella

as Diego in Ghost Rider 3

Score: +5

Ben Whishaw

as Iron man in I am the Iron Man :

Score: 0

Owen Vaccaro

as Spider man in Special appearances in Wanda Vision: season 2

Score: 0

Jack Griffo

as Wolverine in Special appearances in Wanda Vision: season 2

Score: +3

Liana Ramirez

as Villainesses in Actors that need to be in the MCU

Score: -2

Vincent Martella

as Ghost rider in Actors that need to be in the MCU

Score: +1

Ben Whishaw

as Iron Man in Actors that need to be in the MCU

Score: -1

Ben Whishaw

as Heros in Actors that need to be in the MCU

Score: +8

Tyler James Williams

as Heros in Actors that need to be in the MCU

Score: +3

Owen Vaccaro

as Heros in Actors that need to be in the MCU

Score: -2

Grey Damon

as Thor in Actors that need to be in the MCU

Score: +1

Madelaine Petsch

as Viuva Negra in Actors that need to be in the MCU

Score: +1

Owen Vaccaro

as Spiderman in Actors that need to be in the MCU

Score: +1

Dallas Dupree Young

as Miles Morales in Miles Spider: The Series

Score: +14

Harrison Houde

as Joker in Red Hood

Score: +1

Owen Vaccaro

as Spiderman in Spiderman : Halloween Special

Score: +1

Owen Vaccaro

as Mcu Spider Man in SpiderVerse vs BatVerse

Score: -1