Invincible creator reveals fan-favorite villain is already cast ahead of season 4: "He's amazing"

Mark Grayson in Invincible season 3
(Image credit: Amazon Prime Video)

Now that Mark has defeated Conquest, we turn our attention to Invincible season 4 for whatever fresh hell is on the way. The likelihood is Thragg, another Viltrumite baddie, who's already been cast, according to Robert Kirkman.

On the back of the season 3 finale, he spoke to Variety about the show and what’s coming down the pipeline. The conversation turns to Conquest and Thragg, and the possibility of getting one since we've now already had the other.

Kirkman, who co-created Invincible with Cory Walker and Ryan Ottley and now oversees the animated show, remains coy. "I mean, it would certainly be weird if [Thragg] didn’t show up in the show," he said. "Here's what I'll say: He's been cast and he’s amazing."

Invincible & Conquest’s BRUTAL Final Battle *SPOILER* | Invincible Season 3 - YouTube Invincible & Conquest’s BRUTAL Final Battle *SPOILER* | Invincible Season 3 - YouTube
Watch On

He offers no more, leaving us to ponder the options. Thragg is a big role, since he's essentially the main villain of the whole story. The leader of the Viltrumites, he's a vicious, cunning, supremely powerful being and an existential threat to anything he deems unworthy.

In the comics, he's who Conquest answers to after failing to take down Mark, if you’d like a sense of the hierarchy. He’s bad news, and his presence would kick off a whole other phase for Invincible.

It stands to reason he'll be part of season 4, and probably quite early on, but we can only wait and see. The adaptation hasn't steered wrong yet, and we might get some small breathers before plunging into Thragg and all the ensuing twists he brings.

We might not be waiting long either, as Kirkman is hopeful the fourth season will arrive in 2026. Have a look at the upcoming superhero movies coming in the interim for other saviors who’ll be coming to our aid.

Anthony McGlynn
Contributing Writer

Anthony is an Irish entertainment and games journalist, now based in Glasgow. He previously served as Senior Anime Writer at Dexerto and News Editor at The Digital Fix, on top of providing work for Variety, IGN, Den of Geek, PC Gamer, and many more. Besides Studio Ghibli, horror movies, and The Muppets, he enjoys action-RPGs, heavy metal, and pro-wrestling. He interviewed Animal once, not that he won’t stop going on about it or anything.

You must confirm your public display name before commenting

Please logout and then login again, you will then be prompted to enter your display name.

Read more
Invincible season 3
The Invincible season 3 finale synopsis has confirmed a major new arrival – and fans are convinced we're finally getting Conquest
Mark in Invincible season 3
Two years after first teasing it, Jeffrey Dean Morgan has arrived in Invincible – and he could be the show's best villain yet
Invincible
Invincible season 4 release date speculation, story, cast, and more
Mark in the blue suit during the Invincible season 3 ending
Invincible season 3 ending explained: who dies, Eve's new powers, and Conquest's fate
Omni-Man holding someone's fist
J.K. Simmons confirms that work has already started on Invincible season 4: "We actually have dipped our toes"
Invincible season 3 ending
Invincible season 3 post-credits scene is a tease for a hellish comic storyline adaptation that Robert Kirkman "never got around to doing"
Latest in Superhero Shows
Mark Grayson in Invincible season 3
Invincible creator reveals fan-favorite villain is already cast ahead of season 4: "He's amazing"
Mark Grayson in Invincible season 3
Invincible season 3 video shows just how well the Conquest fight was adapted from the comics
Supernatural
Jared Padalecki opens up on the "effing terrifying" experience of joining The Boys season 5 – and the possibility of a Supernatural reunion with Jensen Ackles
Powerplex in Invincible
Breaking Bad star Aaron Paul has perfect response to being cast as Invincible's Powerplex: "Just another role being traumatized"
Conquest in Invincible season 3
Invincible creator "didn't hesitate" to include that Walking Dead reunion in the season 3 finale: "It’s a nice bit of justice"
Invincible season 3 ending
Invincible season 3's finale is one of the highest-rated TV episodes of all time on IMDb, second to only Breaking Bad's Ozymandias
Latest in News
Mark Grayson in Invincible season 3
Invincible creator reveals fan-favorite villain is already cast ahead of season 4: "He's amazing"
FGS Spring 2025
How to watch The Future Game Show Spring Showcase 2025 – and what to expect
Wilson Bethel as Bullseye in Daredevil: Born Again
New Daredevil: Born Again episode sees Frank Castle call one fan-favorite villain by his comic book name for the first time - and Marvel fans are loving it
GTA 3
If these flying cars are anything to go by, development on the GTA 3 Dreamcast port is well on its way to becoming GTA Online
The Legend of Zelda: Majora's Mask screenshot showing the deku mask
After a year of trying, Zelda: Majora's Mask streamer becomes world's first to pull off randomized no-hit run where even blocking causes a game-ending Mooncrash
An assassin on the roof of Assassin's Creed Codename Red
Assassin's Creed Shadows' best trailer yet doesn't actually show a second of the game and is instead fuelled entirely by '70s nostalgia