Suggestions by @beaubond

Dallas Liu

as Zuko in Avatar the Last Airbender (ATLA)/The Legend of Korra (LOK)

Dominic Purcell

as Wrecker in Sonic Meets the Bad Batch (Version 3)

Evan Rachel Wood

as Jean Grey in Marvel Heroes & Villains that should be in the MCU

Xolo Maridueña

as Jaime Reyes / Blue Beetle in DCEU rebooted: Justice League vs Titans

Tyler Hoechlin

as Kal-El/Clark Kent / Superman in DCEU rebooted: Justice League vs Titans

Roman Reigns

as Lobo in Lobo

Karl Urban

as Bruce Wayne in Justice League vs Legion of Doom

Taron Egerton

as Red Hood in Batman:under the red hood

Koyu Rankin

as Beetle in MCU Spider-Man Villains

Sam Caflin

as The Human Tourch in Marvel Fantastic Four (2022)

Sam Claflin

as Human torch in Web Warriors

Roman Reigns

as Lobo in All Superheroes and Villains (DC, Marvel, & Dark Horse Comics)

Stephen Amell

as Oliver Queen in All New Justice League

Ricky Whittle

as John Stewart in Green Lantern

Anthony Starr

as Hunter Zolomon in Characters that should have been in the DCEU