The second season of the American adult animated superhero series Invincible, based on the comic book series of the same name, was created for television by comic book writer Robert Kirkman who also wrote the comics. The season was produced by Amazon MGM Studios in association with Point Grey Pictures, Skybound North, Skybound Animation and Wind Sun Sky Entertainment, with Simon Racioppa serving as showrunner. Taking place a month after the events of the previous season, Mark Grayson is attempting to regain his life after being betrayed by Omni-Man while simultaneously dealing with the repercussions of the aftermath and attempting to not end up like his father. Also, Mark contends with a new threat in Angstrom Levy, an interdimensional traveler with a personal vendetta against him.

Steven Yeun stars as Mark Grayson / Invincible, while Sandra Oh and J. K. Simmons play his parents Debbie Grayson and Nolan Grayson / Omni-Man respectively. While the supporting cast is formed by Gillian Jacobs, Andrew Rannells, Zazie Beetz, Walton Goggins, Seth Rogen, Sterling K. Brown, Ross Marquand, Malese Jow, Mark Hamill, Chris Diamantopoulos, Kevin Michael Richardson, Fred Tatasciore, Eric Bauza, Jason Mantzoukas, Khary Payton, Zachary Quinto, Grey Griffin, Ben Schwartz, Jay Pharoah, and Calista Flockhart.

The season was preceded by a special episode, called "Invincible: Atom Eve", which was released on July 21, 2023. The season itself was divided into two parts and premiered on Amazon Prime Video on November 3, 2023, with the first four episodes each week until November 24, and the final four from March 14, 2024, through April 4. A third season was ordered on April 29, 2021.

Episodes

Cast and characters

Main Steven Yeun as Markus "Mark" Grayson / Invincible Sandra Oh as Debbie Grayson J. K. Simmons as Nowl-Ahn / Nolan Grayson / Omni-Man

Recurring Gillian Jacobs as Samantha Eve Wilkins / Atom Eve Andrew Rannells as William Francis Clockwell Zazie Beetz as Amber Justine Bennett Walton Goggins as Cecil Stedman Seth Rogen as Allen the Alien Sterling K. Brown as Angstrom Levy Ross Marquand as The Immortal, Rudy Connors (clone), various others Malese Jow as Kate Cha / Dupli-Kate Mark Hamill as Arthur "Art" Rosenbaum Chris Diamantopoulos as Donald Ferguson, Doc Seismic, various others Kevin Michael Richardson as Mauler Twins, Amanda / Monster Girl (monster) Fred Tatasciore as Killcannon, Adam Wilkins, various others Eric Bauza as D.A. Sinclair Jason Mantzoukas as Rex Sloan / Rex Splode Khary Payton as Markus Grimshaw / Black Samson, various others Zachary Quinto as Rudy Connors / Robot Grey Griffin as Amanda / Monster Girl, Rachel / Shrinking Rae Ben Schwartz as Shapesmith Jay Pharoah as Bulletproof Calista Flockhart as April Howsam

Guest Tatiana Maslany as Telia, Queen Aquaria Cleveland Berto as Darkwing II Scoot McNairy as King Lizard Peter Cullen as Thaedus Chris Diamantopoulos as Vidor Phil LaMarr as Lucan Ella Purnell as Jane Chloe Bennet as Riley Cliff Curtis as Paul Fred Tatasciore as Giant Josh Keaton as Agent Spider Paul F. Tompkins as Narrator Grey Griffin as Thula Clancy Brown as Kregg Shantel VanSanten as Anissa

Production Development

In April 2021, Amazon and Robert Kirkman, alongside Steven Yeun, announced that Invincible was renewed for an 8-episode second and third season, which is produced by Skybound and executive produced by Kirkman, Simon Racioppa, David Alpert, and Catherine Winder. Jeff Allen and Linda Lamontagne are serving as the casting director.

The concept for the second season was developed during the scripting phase. Some scenes drew partial inspiration from elements in Spider-Man. Racioppa noted that the trilogy frequently influenced the writing process. Beyond the visual spectacle of the protagonist’s abilities, Raimi’s films emphasized the internal conflict of Peter Parker and the personal consequences of his relationship with Mary Jane Watson. The season was developed with the intention of presenting new material rather than revisiting earlier storylines, as the first season. The creative team also structured the opening episode to quickly reestablish the series’ intensity, aiming to draw audiences back into the narrative following the gap between seasons.

Unlike the first season, the second season places greater thematic focus on Mark’s fear of becoming like his father. Rather than concentrating primarily on his development as a superhero, the season explores his anxiety over the possibility that he may share the same nature and ultimately follow a similar path. This concern becomes a central element of his character arc throughout the season.

Casting The season featured all series regulars, all of whom returned from the previous season. Steven Yeun continued to recur as Invincible, Sandra Oh returned to reprising her role as Debbie Grayson. Actors J. K. Simmons, Gillian Jacobs, Zazie Beetz, and Walton Goggins also returned during the season, reprising their roles as Omni-Man, Kumiko, Atom Eve, Amber Bennett, and Cecil Stedman, respectively.

The season also introduces new characters. Among the new characters introduced in the season is Sterling K. Brown, who provides the voice for Angstrom Levy, a supervillain who has the power of dimensional travel. Jay Pharoah is also introduced in the season as Bulletproof, a member of the Guardians of the Globe, who has the power of invincibility and flying. Ben Schwartz is introduced in the season as Shapesmith, a Martian who has the power of shapeshifting. Other new characters introduced in the season include Clancy Brown, who plays the role of General Kregg, a general in the Viltrumite army, and Shantel VanSanten, who plays the role of Anissa, a Viltrumite warrior. Seth Rogen reprises his role as Allen the Alien, while Michael Dorn reprises his role as Battle Beast.

Writing The writing of the second season continued to follow the character-centric approach that was established in the first season. This was according to Racioppa, the co-showrunner of the series. This approach ensured that the writers explored different ways to reach the key points that were established while ensuring that the overall direction of the season was maintained. The series continued to incorporate elements from the comic series that was originally written by Kirkman.

The storyline of the second season of the series focuses on the aftermath of the finale of the first season. This season explored the impact that the actions of Omni-Man had on the character of Mark Grayson and Debbie Grayson. The impact of the actions that occurred in the first season was explored realistically. The introduction of new characters to the series continued. This includes the character of Angstrom Levy. This character’s multiverse-related abilities were explored to ensure that the character’s storyline could be maintained.

The season's R-rating, received some criticism from viewers, which showrunner Simon Racioppa addressed in a November 2023 interview with The Direct.

Racioppa explained that the increased violence and gore compared to Season 1 were intentional but not gratuitous, emphasizing that character development and narrative conflict remained the primary focus. He noted that this approach allowed the action scenes to escalate naturally, with emotional stakes driving the intensity of the violence.

Animation The production faced challenges due to the COVID-19 pandemic, which caused delays and required the team to rebuild and restart the "factory" of the show.

The second season of Invincible mostly consists of hand-drawn 2D animation. The production team reduced the use of CGI, opting for more traditional hand-drawn animation methods. This type of animation was chosen for the show due to the large number of characters in the series and the numerous action-packed scenes. Marge Dean, Head of Animation at Skybound Entertainment, noted, "Quite a lot [of CG animation] was used in Season 1... We still use an element of CG... but, ultimately, the background is drawn into the animation."

The animation for the show is done in collaboration with studios in South Korea by Skybound Entertainment. The animation is created through storyboards, animatics, and model sheets. Computer-generated imagery is used minimally for the backgrounds. Other objects in the 2D animation are created through computer-generated imagery.

Fight scenes in the show have been complex, as have the destruction of objects and injuries to the characters. Scenes involving the multiverse and Angstrom Levy have been diverse in their settings and color schemes.

Sound and music The audio design of season two was handled by the Boom Box Post team under supervising sound editor Brad Meyer and re-recording mixers Jeff Shiffman and Jacob Cook and was assisted by several sound editors and foley artists. Season 2 focused on dense immersion audio, with dense, powerful hits for action scenes and close-up sound for calmer scenes. To make superhero combat more substantial, the team laid down an 808 kick drum and cannon-style explosions over the hits and added subtle touches like Omni-Man's cape flowing in time with his combat choreography. Foley effects were also performed for the series, such as cloth noise, footsteps, and wet sounds, to add realism to action and gore-ridden scenes.

The crew also created distinctive sound effects for telepathic sequences, including a mental conversation between Omni-Man and Allen the Alien, and experimented with layered sounds for the techno-organic Viltrumite warriors by adding metal fragments with human-like characteristics to reflect their half-human origin.

Raveena Aurora returned to compose the score for the second season. In 2023, The Royals and Radiohead were also confirmed to contribute to the soundtrack. The season's soundtrack features several artists, including Chair Model, Speelburg, Mac Albrecht & Orchestre Philharmonique de Strasbourg, RF Shannon, Julianna Barwick, Nick Cave, Blondshell, Zoe Boekbinder, Run the Jewels, N3W N3W & SYDNY, Olivia Wendel, Bad Nerves, Aidan Knight, Woolly Music, That Kid CG, K-Lab, d4vd, Ethel Cain, Fatboy Slim, and Michael Kiwanuka.

Release

The second season of Invincible was released in two parts on Amazon Prime Video. The first part premiered on November 3, 2023, with subsequent episodes released weekly until November 24, 2023. The second part began on March 14, 2024, and concluded on April 4, 2024. During San Diego Comic-Con on July 21, 2023, a trailer for the second season was shown, after which it was announced that a special episode, called "Invincible: Atom Eve", would release later that day.

The show experienced a mid-season hiatus, a move that was not part of the original production plan. Co-showrunner Simon Racioppa confirmed that this pause was necessitated by release setbacks. Adding a creative layer to the decision, creator Robert Kirkman revealed that the mid-season break was also deliberately planned around the holiday season. This allowed viewers time to reflect on the main plot developments and ensured the show would maintain visibility during a period saturated with many other major new releases.

Because the show was airing weekly, a strategy used to promote subscriptions to Amazon Prime Video, a delay in its initial starting date would have pushed the final four episodes into the Christmas period. Amazon sought to avoid this overlap so they could instead focus on promoting their slate of original Christmas films and shows.

Reception

Audience viewership Viewership data for the second season increased substantially compared to its first season, with reports indicating that the season premiere attracted approximately three times the opening weekend audience of the first season.

Critical response