💥Invincible Season 4 — Back for More Fun, Fury, and Viltrumite Bloodshed | Coming March 2026 on Prime Video

“Think, Mark!” — and just like that, the blood-splattered legacy continues.

After breaking records, hearts, and bones (literally) in Season 3, Invincible returns in March 2026 for its fourth season on Prime Video — and it’s shaping up to be the most brutal, emotional, and universe-shaking chapter yet. Fans got their first taste of what’s coming at New York Comic Con, where the cast and creators dropped a Burger Mart-inspired teaser — and a major casting bombshell: Lee Pace joins the show as Thragg, the terrifying Grand Regent of the Viltrum Empire.

So, what’s next for Mark Grayson? And how did Season 3 leave the world hanging by a thread? Let’s dive into the blood-soaked skies of Invincible once again.

🩸 Recap: Season 3 — When Heroes Fall and Worlds Collide

Season 3 of Invincible was the show’s biggest and boldest yet — and for good reason. It became Prime Video’s most-watched animated season of all time, earning a 100% Rotten Tomatoes score and multiple award nominations.

But beyond the numbers, it was a season of devastating choices and cosmic revelations.

After the chaotic events of Season 2, Mark Grayson (Steven Yeun) struggled to balance his double life as a hero and a son of Omni-Man (J.K. Simmons). But as the Viltrumite threat loomed larger, the universe’s fragile peace began to crumble. Mark faced impossible moral crossroads — fighting not only alien invaders but also the darkness within himself.

Omni-Man’s shocking return and the rise of Conquest (Jeffrey Dean Morgan) turned every episode into a gut-wrenching test of loyalty and power. The blood-streaked skies became a symbol of Mark’s inner war — between compassion and the Viltrumite instinct for domination.

As Debbie (Sandra Oh) rebuilt her life, Atom Eve (Gillian Jacobs) continued to define what heroism means beyond superpowers. The Guardians of the Globe faced fractures of their own, setting the stage for a world on the brink.

By the finale, the writing was clear — the Viltrumite Empire was ready to make its move. And one name echoed across the stars: Thragg.

👑 What’s New in Season 4 — Enter Thragg, the Grand Regent of Viltrum

Season 4 picks up in the aftermath of a galaxy reeling from war. The world is still recovering from a catastrophe, and Mark Grayson is no longer the same boy who once dreamed of being like his father. Hardened by loss and haunted by his past, Mark now faces the ultimate test of heroism — one that could decide the fate of humanity itself.

Enter Thragg (Lee Pace) — the most feared Viltrumite of them all. A leader forged in cruelty and conquest, Thragg is determined to rebuild his empire by any means necessary. In the comics, he’s the kind of villain who doesn’t just fight — he dominates. His arrival signals a new era of conflict, one where Mark’s ideals will be crushed against the steel will of the Viltrum Empire.

As one of the comic’s most iconic storylines unfolds, expect:

• More cosmic-scale battles that push Invincible’s animation to new heights 🌌

• Deeper emotional arcs for Atom Eve, Debbie, and Cecil as humanity braces for annihilation 💔

• Expanded world-building, including the Coalition of Planets and other universes from Kirkman’s lore 🌍

Co-creator Robert Kirkman teased that this season will explore “what it truly means to be Invincible — and what happens when that belief starts to break.”

Or, as Omni-Man once growled: “You’ll outlive everyone you know, Mark. Everyone you love.” The question is — will Mark still be human when that day comes?

🎙️ Returning Cast and New Voices

The voice cast of Invincible continues to shine with:

• Steven Yeun as Mark Grayson / Invincible

• Sandra Oh as Debbie Grayson

• J.K. Simmons as Omni-Man

• Gillian Jacobs as Atom Eve

• Seth Rogen, Walton Goggins, Zazie Beetz, Andrew Rannells, and more fan-favorites returning

Joining them for the first time are:

• Lee Pace as Thragg — the Viltrumite Grand Regent ⚔️

• Jeffrey Dean Morgan as Conquest

• Matthew Rhys, Mark Hamill, and Clancy Broware n reprising their recurring roles

Behind the mic, the powerhouse team — Robert Kirkman, Simon Racioppa, Evan Goldberg, and Seth Rogen — continue steering the series, with Skybound Animation and Amazon MGM Studios ensuring every frame bleeds cinematic scale.

💫 What to Expect: Blood, Legacy, and the Burden of Power

If Seasons 1–3 were about discovering identity and surviving trauma, Season 4 is about legacy. Can Mark forge a path different from his father’s? Can Earth resist the Viltrumite Empire’s wrath? And at what cost does a hero remain invincible?

Expect moral dilemmas sharper than any blade, emotional reunions that hurt, and battles so intense they’ll leave craters in both planets and hearts.

As Robert Kirkman teased at NYCC: “We’re going beyond Invincible’s breaking point — and he might not come back the same.”

🦸 Final Thoughts

From the gut-punch of Season 1’s finale to the emotional chaos of Season 3, Invincible has redefined superhero storytelling with heart, horror, and honesty. And now, Season 4 aims to push that even further — with Lee Pace’s Thragg promising to become one of TV’s most unforgettable villains.

So grab your Burger Mart combo 🍔, brace for impact, and remember: In this universe, being Invincible doesn’t mean being unbreakable.

💥 “Invincible” Season 4 premieres March 2026, only on Prime Video.