Invincible hasn’t played all its cards, and there are still amazing decks waiting to be shown to shock and wow audiences. While Conquest has been revealed and bested for Invincible Season 3, there are still some villains that have yet to appear in the Amazon Prime Video animated series to make Invincible’s life a living Hell.

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There are some great and complex villains waiting to be fought over the next few seasons, and we’ve compiled the very best of them that will certainly leave a mark on Mark’s life as a superhero, and further challenge everything he knows about saving the world.
Major spoilers ahead for Invincible!
7
Dinosaurus
An Intelligent Dinosaur Who Wants to Save Humanity Through Destructive Means
- Featured in: Invincible #68
Dinosaurus is a villain that will most definitely be introduced soon in Invincible Season 4. This monstrous dinosaur humanoid is immensely intelligent and strong, with sinister capabilities. Dinosaurus has a singular cause: save humanity by any means necessary, except those means often result in the death of hundreds, if not thousands, and the destruction of property.
Dinosaurus is a true danger to the world for what he wants to accomplish, but he’s also a danger to Invincible since Mark has already begun to question what’s best for humanity after his fight with Conquest, and how many more lives must end for peace.
6
Grand Regent Thragg
The Current Leader of the Viltrum Empire
- Featured in: Invincible #73
Grand Regent Thragg has yet to be introduced, but if audiences thought Conquest was scary and powerful, then they have seen nothing yet. Thragg rules the Viltrum Empire while he waits to find the one true heir of the Empire. Thragg is truly one of the strongest Viltrumites out there who could end one of his own with a mere punch, and it’s time to prepare for his arrival.
Thragg is an extensive character, and this ruler of the Viltrumites will prove why he holds the title with immense loyalty, fear, and power with just the words from his mouth and the shaping of a fist. This isn’t someone to take lightly, and Invincible will most certainly have to be careful.
5
Tether Tyrant’s Organism
Tether Tyrant’s Symbiote Becomes Far More Dangerous
- Featured in: Invincible #83
There hasn’t been much characterization given to Tether Tyrant just yet. While he is featured in an emotional montage about his relationship with Magmaniac and how the two tried to live normal lives but sunk back into villainy, the show hasn’t really given them a voice, nor has it mentioned Tether Tyrant’s relationship with the alien inside his chest.

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Tether Tyrant speaks to the alien inside him, and while we can never hear its voice, it’s clear that it loves Tether Tyrant, and seeks to bond with the host even more than it already is. With a bond finalized after a tragedy, Tether Tyrant becomes far stronger and more dangerous, while the host lurks in an empty and isolated void, unable to control the body it once owned.
4
Volcanikka
Leader of the Magmanites Who Controls the Immense Flame
- Featured in: Invincible #107
Doc. Seismic has come up now and again to terrorize the Guardians of the Globe, and as he always does when he escapes prison, he heads to the volcanoes to control the Magmanites. However, this later time, it’s different – for the true ruler of the Magmanites reveals herself as Volcanikka.
Volcanikka has immense power and transforms Doc. Seismic into a man to rule by her side. Together, they become a King and a Queen, set on destroying Earth and laying waste to it through fire, lava, and all things to scorch the Earth beyond recognition.
3
Sinister Mark
An Alternate Dimension Mark Who Became a Crazed Cannibal
- Featured in: Invincible #103
Sinister Mark has already been seen in Season 3 of Invincible as one of Mark’s variants that caused immense chaos and destruction, and he’s noted for his yellow cowl and cape. However, Sinister Mark hasn’t exactly shown why he’s so sinister just yet, and the best is yet to come.

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When Angstrom Levy returns for a third time to fight Invincible, he sends them to the same dimension that he sent the other Invincibles, and Sinister Mark is one of the few to have survived because he has killed and eaten the rest in an attempt to survive. Sinister Mark’s craving for flesh makes him live up to his name, but can the hero Invincible escape a hungry man with nothing to lose?
2
Allen the Alien
Allen Tries to Use a Virus to Wipe Out the Viltrumites and Potentially Humanity
- Featured in: Invincible #86
When Allen the Alien discovers that the Viltrumites have hitched a ride to Earth to hide among the population, he decides to betray Omni-Man and venture to Earth with the Scourge Virus in order to kill the greatest enemies that the galaxy has ever seen, once and for all.
Allen brutally beats Omni-Man before heading to Earth with Oliver, where he makes it quite clear that although what he does is for the betterment of the galaxy, he is sacrificing innocent lives to do it, as there is no way to tell if the people of Earth will be killed by the Scourge Virus due to their similar DNA to Viltrumites.
1
Invincible
Mark Lived Long Enough to See Himself Become the Villain
- Featured in: Invincible #84
Mark Grayson has been through a lot. Not only has he begun to kill villains that he deems unstoppable and too dangerous to be left alive, but he’s now taken the law into his own hands by breaking Dinosaurus out of the Pentagon’s prison so that they can work together to fix the world.
Dinosaurus has some truly evil plans for the world, and while they are in the best interest of humanity and the planet as a whole, they are dangerous and catalysts for the deaths of thousands and potentially millions. The fact that Mark is willing to betray his heroic allies to do what he deems the right thing puts him on a path to villainy, but can he be redeemed before it’s too late?

Invincible
- Release Date
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March 26, 2021
- Network
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Amazon Prime Video
- Showrunner
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Robert Kirkman, Simon Racioppa
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