MCU Phase 4: 10 Obscure Comic Villains Who Should Appear

Skaar, son of Hulk, would be a difficult character to pull off on camera due to the fact he rarely shifts out of his titanic, super-angry form, and he's still only a child when he does revert to his smaller, half-human form.

Not only that, but the MCU has only just introduced and left the planet Sakaar in Thor: Ragnarok, where no mention was made of any tryst Hulk may have had with a certain Caiera of the Shadow People.

Like Wonder Man, Skaar is a character who could enter the MCU initially as an antagonist, bent on satiating his abandonment issues with failed father Bruce Banner, and eventually turns good.

Thor: Ragnarok is the closest thing we've had to a solo Hulk feature since Ed Norton was big, green and ugly in 2008's The Incredible Hulk, and to say it went down as a smash would be an understatement, showing just how right they've now got the gamma formula. But Skaar would bring a storyline with some genuine emotional punch to the table, more than nemeses like The Abomination or The Leader could.

After all, Mark Ruffalo won't stay spry forever. Skaar has in the comics taken over the Hulk mantle when called upon, offering a young reboot option, and Stranger Things Charlie Heaton gives us our "older than he looks" cheat route to casting harmony.

We know, we know; Heaton is 24 and doesn't really fit the bill of disgruntled teen-juggernaut. But considering how well he pulled off concerned older brother Jonathan Byers in Stranger Things and was already in his early twenties when series filming began, his weedy frame fits the role.

At least for Skaar's calmed-down, altogether less fear-inspiring self. Ruffalo has been finely moulded into a Hulk for

Ideal Casting: Charlie Heaton