Invincible Season 4 premieres in March 2026; Lee Pace joins as Thragg.
Season 4 premieres March 2026
Lee Pace cast as Thragg
Matthew Rhys voicing a new character
Season 3 aired February 2025
Season 5 already renewed
Fans enjoyed Season 3's intense action
Angstrom Levy survived the season finale
Conquest challenges Invincible
Amazon Prime Video has announced that “Invincible” Season 4 will premiere in March 2026 and has revealed Lee Pace will voice the villain Thragg.
Invincible Season 4 Release Date and Cast
Prime Video has officially announced that Invincible Season 4 will premiere in March 2026. This update was revealed at New York Comic Con in October 2025, building excitement for the continuation of the popular adult animated superhero series.[1][2][3][4]
Lee Pace Joins as Viltrumite Thragg
Lee Pace, known for roles in Foundation and Guardians of the Galaxy, will voice Thragg in Season 4. Thragg is a formidable and central antagonist in the Invincible comic universe, serving as the Grand Regent of the Viltrum Empire. He rules with strength and brutality, aiming to restore Viltrum’s dominance at any cost.[5][6][3][1]
Key Recap of Season 3
Invincible Season 3 ends with Mark willing to cross moral lines to protect his loved ones, setting the stage for more intense conflicts ahead. He fights personal and external battles, including the death of key allies and confronting his own limits.[6][9]
Major Plot Points
Mark Grayson (Invincible, voiced by Steven Yeun) survived the Invincible War, where Angstrom Levy, a multiverse villain, assembled alternate-reality versions of Invincible to attack Earth.
Rex Splode, a hero, died in this conflict; many heroes sustained serious injuries.
Angstrom Levy escaped to another universe, remaining a looming threat.[3][7]
New Threats and Battles
The Viltrumite Conquest, voiced by Jeffrey Dean Morgan, appeared as a savage new villain.
Mark and his girlfriend Atom Eve (voiced by Gillian Jacobs) fought Conquest in a brutal battle; Eve uses her powers to survive critical injuries inflicted during the fight.
Mark adopts a harder stance on dealing with villains going forward.[8][7][3]
The demonic detective Damien Darkblood summons dark forces to fight Invincible.[8][3]
Expectations for Season 4
Season 4 will continue to explore the escalating Viltrumite conflict, especially with Thragg’s arrival as a powerful new threat. The season will delve into how Mark navigates these cosmic-level challenges while protecting Earth.
Additionally, the show has been renewed for a fifth season, ensuring the continuation of Invincible beyond Season 4.[9][1][3]
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