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Multiversal Agent by Neko_crazy123
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics), Multi-Fandom
10 Jun 2026
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-William Clockwell, you've been chosen to be one of our agents.
-....Am I on drugs or something? What the hell is this? Is this a dream?-
-No dreams, this is real, and now congratulations... welcome to the agency.-
-...how the hell did I end up here...-
-Well, you weren't the first choice, but you were the closest thing to replace me?-
-......son of a bitch....-
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In this fic, William will have dangerous and fun missions.
And he'll find himself traveling to different universes.
Series
- Part 1 of agents in action
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Agente multiversal by Neko_crazy123
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics), Multi-Fandom
10 Jun 2026
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Summary
—William clockwell ,has sido elegido para ser uno de nuestros agentes
—.....¿estoy drogado o algo así? ¿que mierda es esto? ¿Es un sueño?—
—Nada de sueños,esto es real y ahora felicidades... bienvenido a la agencia—
—....cómo carajo termine aquí...—
—Bueno no fuiste la primera opción pero fuiste lo más cercano para remplazar —
—......hijo de puta....—
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En este fic William tendrá misiones peligrosas y divertidas
Y se encontrará viajando a diferentes universos
Series
- Part 1 of Agentes en acción
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Supremacy by Toadstoolfrog
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
10 Jun 2026
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As William’s pregnancy progresses, he finds himself a target in a power struggle over Earth. Markus will do whatever he can to protect him, but a line has been crossed and he finds himself on unsteady ground. What will they do now?
Series
- Part 5 of Be Good To Me
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One Punch Man - Viltrum Attack by BreachOparinZefiro
Fandoms: ワンパンマン | One-Punch Man, Invincible (Cartoon 2021), Invincible (Image Comics)
10 Jun 2026
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Nolan arrived on Earth to fulfill his long-term conquest mission, unaware that the planet he arrived on is not like any other in the universe.
Crossover between OPM and the Viltrumite Empire from Invincible. All rights belong to their respective creators; I'm just doing this out of boredom and because I get paid, haha.
pls excuse any mistakes, English is not my first language
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how deep is your love? by bittenwords
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
10 Jun 2026
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is it like the ocean? what devotion, are you? ༄
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Or: You get a little too close with your older brother’s best friend, Mark Grayson. How far will it go?
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Nolan's people are dying. Centuries of war and rightous conquest have depleted them to the point of extinction. This desperate situation has lead to an unthinkable solution. In secret mingle with aliens couple with them, find a species capable or even nearly capable of producing worthy heirs.
Most of Marks life he has been outshined by his sisters. Cassandra's a better fighter and even powerless can be an everyday hero. Alex powers came in first, despite being the youngest, she is victory incarnate. Mark doesnt let his feeling show, its not his fault he is lesser. He can shield them from this, after all
Family Protects Family -
You’re Only Human by Anonymous
Fandoms: The Boys (TV 2019), Invincible (Cartoon 2021), Invincible (Image Comics)
09 Jun 2026
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"My name is John," the boy says, a slight trembling in his voice betraying a reluctance to answer. "Are you like me?"
"Um, what do you mean ‘like you’?"
"Are you a superhero?"
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Or, what if in the middle of his dimension hopping Mark crash lands in the world of The Boys, year 1993, right in the facility holding John, who is yet to become Homelander?
What if he saves him?
What if he gets stuck?
What if the first person to genuinely care about John is a traumatized, stranded teenager barely holding himself together?
What if Vought notices? -
Still A Family by TheOcassionalAuthor
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
09 Jun 2026
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(SEQUEL TO SOMETHING LIKE A FAMILY!)
Nine years after the Viltrumites move onto Earth, the Grayson's are living.. surprisingly normal lives.
You and Mark are disgustingly in love, Leo is juggling sports, comics, and a part-time job at a game store, and Theo is busy collecting academic awards and existential crises in equal measure.
It would almost be peaceful if Leo wasn’t desperate to become a hero, Theo wasn’t questioning where he belongs in this world, and the universe wasn’t slowly reminding the Mark that peace never lasts forever.
Series
- Part 7 of Invincible Spin-off series
- Part 1 of Something Like a Family series
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One Punch Man - Viltrum al Ataque by BreachOparinZefiro
Fandoms: ワンパンマン | One-Punch Man, Invincible (Image Comics), Invincible (Cartoon 2021), one punch man anim
09 Jun 2026
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Nolan llego a la Tierra para cumplir su misión de conquista a largo plazo, sin saber que el planeta al que llego no es como cualquier otro en el universo.
Crossover OPM X Imperio Viltrumita de Invincible. Todos los derechos a sus creadores, yo solo hago eso por aburrimiento y porque me pagan jajaja.
- Language:
- Español
- Words:
- 10,403
- Chapters:
- 1/?
- Kudos:
- 3
- Hits:
- 38
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Summary
"Mark, come on, breathe, kid. You're alright." Cecil murmurs, rubbing a circle into his shoulder. It's meant to be comforting. Fatherly. It's not. Mark feels his face bloom with heat at the touch. Something deeper is stirring, and he's not so sure he wants it to.
Or///; Post Omni-Man's departure in season 1, Mark's mental health takes a turn for the worse and latches onto the first thing he sees; Cecil Stedman. Seeing a way to secure the trust of a Viltrumite on Earth's side, Cecil steps into the role of a father figure, thinking it's what Mark wants.
Mark wants more.
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Can't Go Back by FinestFantasyVI
Fandoms: Invincible (Cartoon 2021), Steven Universe (Cartoon)
09 Jun 2026
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You are a Gem-Human Hybrid that lives in Era 4, a true era of peace. As you were teaching Gems from Little Homeworld, a portal opened up. From it arrived Mark Grayson aka Invincible who was being thrown around dimensions by Angstrom Levy to tire him out and destroy him.
Being the kind person you are, you help Mark during his stay at your dimension and let him rest to recuperate his energy. Although when the time came, you decided to follow him through the portal to his dimension. You're aware there was no return after this, but something told you that this dimension was where you actually belonged.
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The Importance of Having… BE by Fanfictioner8
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
09 Jun 2026
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For seventeen years, Ben lived a quiet life in Chicago with his mom and sister, carefully managing a strength he barely understood and dodging questions about a father he never knew. He was content to keep his head down, his body in the sky, and sketch the skyline, ignoring the escalating superhuman chaos broadcasted on the nightly news.
Then he met Mark Grayson.
He made the choice to enter into a world of hyper-violent planetary defenders, covert government agencies, and the blood-soaked reality of being a superhero, Ben realizes that ignoring his abilities is no longer an option. As the threats facing Earth escalate from costumed bank robbers to apocalyptic alien conquerors, Ben has to figure out exactly what kind of hero he’s willing to be. He can’t force the world to be kind, but he has the power to force it to stop—he just has to survive long enough to figure out how.
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“I will cease our conquering efforts indefinitely, and give the opportunity to our captured territories to choose whether to join your Coalition, or to remain under the Empire,”
A few Viltrumites looked towards one another, uncertain. Had the Grand Regent gone mad?
“I will take part in negotiations with your Coalition, and aside from that, you will not hear from me and my people again.”
“What’s the catch, Thragg. “
“Your son, the half human one, shows great promise.” He shot a sideways glance at Mark. It made him feel like he was being pinned to the ground.
“For all my benevolence, I demand your omegan son as my mate.”
Thragg looked back to Nolan, who’d become as pale as a sheet.
“I will give you time to think about my gracious offer. If the answer is negative, I shall end you all today and then move on to Earth."
In a blink, he was once again far from the group. All Viltrumites started retreating back to their planet with a shake of Thragg’s head.
“You have until Viltrum's sun sets. Do not be tardy. “
Or
Thragg's crush on Mark stops an intergalactic war.
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You Look Happy for Someone so Far From Home by Denali_Nat
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
08 Jun 2026
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After the Viltrumites take residence on planet Earth, Anissa struggles to come to terms with the nature of her new mission. Mark grapples with his father's legacy and his own mistakes. The two Viltrumites are tossed together fighting feelings they don't want to acknowledge and trying not to let their respective worlds down.
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Unable to hold himself back from wanting to inflicting violence on others, Mark worries he's changing and not for the better. Colour him surprised when these changes turn out to be a part of being a Viltrumite his father failed to inform him of.
Or: Mark is presenting as an Omega. Thragg takes it upon himself to do what every other Viltrumite before him has failed to do - make Mark join the Empire.
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Invincible: Legacy by Swipflip
Fandoms: Invincible (Image Comics), Invincible (Cartoon 2021), Invincible - Fandom
08 Jun 2026
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The war may be over... but the bloodline lives on.
Ten years after Thragg's defeat, Earth is rebuilding-but not healing. The Guardians of the Globe are stretched thin. The new and old members are struggling to work together. Trust is rare. And Mark Grayson-Invincible-hasn't returned, despite promising he would.
Eighteen-year-old Markus "Marky" Murphy, son of Mark and Anissa, is doing his best to hold it together as the new Invincible... the new protector of Earth. Between high school, full-time duty as a Guardian, and mentoring his younger sister Molly, he's barely keeping up, especially with the rise of threats to both him and the world.
On the other side of the universe, Ursaal, daughter of Thragg- and a Thraxan - once loyal to her father's old Empire, is now forging her own future. She hides scars from the war, her disowned name, the death of her twin brother, as well as facing minimal trust from the other viltrumites.. being treated as less… due to her past.
As secrets unravel and loyalties are tested, both Marky and Ursaal find themselves caught between legacy and identity, truth and manipulation. And in the shadows... a familiar face is pulling the strings for a dark future.
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Worth it all by Jessicanightmarewolf1
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
08 Jun 2026
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What would you do if you had the chance to fix everything from the very beginning?
It's the final battle between Mark and Thragg, and as you watch them, you find yourself wishing you could've done more, could've helped and been there more. For your family, for the people you were meant to protect– even the Viltrumites.
Even Thragg.
Well, you get that chance. Now you just have to do everything you can to keep the universe safe.
Even if that means flying to Viltrum and claiming the birthright you never wanted.
Series
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How To Raise A Superweapon by kusu
Fandoms: The Boys (TV 2019), Invincible (Cartoon 2021)
08 Jun 2026
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Summary
Cecil Stedman's first year as the Director of the GDA has concluded, and he's more stressed than ever. When a reality breach, however, drops a terrified, superpowered child (Homelander) into the forest of Maryland, Cecil expects an invasion, a weapon, or the beginning of another apocalypse. Instead, he finds eight-year-old John in a hospital gown.
Raising a frightened, superpowered child may be the most dangerous thing Cecil has ever attempted.
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INVINCIBLE: ACCELERATION by Myth42
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
08 Jun 2026
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As Teen Turbo, Eddie Barnes is used to being the shield of the Teen Team. He’s used to the agonizing slow motion of watching the world and people he loves move without him. And most of all, he’s used to being the secret anchor Eve needs to keep going.
But underneath that cocky speedster exterior is a ticking time bomb.
When a sudden, destructive power awakens within him, it threatens to tear his own body apart from the inside out. With the Guardians dead and the world falling apart, Eddie must manage a lethal power he cannot control and sift through the pile of lies that make up his entire life.
And through it all, his bond with Eve begins to fray, leaving them both scrambling for solid ground just as the world gets more dangerous than ever.
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Out of everyone, you? by spybehind
Fandoms: Invincible (Image Comics), Invincible (Cartoon 2021)
08 Jun 2026
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As if her life wasn’t stressful enough with surviving an intergalactic war, Marcelina “Marcy” Grayson not only has to navigate the strained and delicate climate of the Viltrumites hijacking earth, but also the growing attention of their leader, Grand regent Thragg.
In other words Marcy is going through it 24/7