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A Mark on Me by Cindy_rella
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
21 Sep 2025
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William survived the end of the world—barely.
When the eight surviving alternate versions of Mark Grayson conquer his ruined Earth, William becomes more than a survivor: he becomes a replacement.
To some, he’s a lost love.
To others, a pet.
To all of them, an obsession.He doesn't belong to any of them. But in a world where they’ve destroyed everything else, they’ve agreed on one thing:
He’s not allowed to leave. Ever.
When eight twisted versions of Mark Grayson conquer his Earth, William becomes their shared obsession. He’s not their William—but that doesn’t matter. He’s all they have now. And they won’t let him go.
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What Men Do by technetium43
Fandoms: Invincible (Image Comics), Invincible (Cartoon 2021)
21 Sep 2025
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Nolan and the Immortal blow off some steam together.
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Quick Transmigration: Villain Creation System by writerclaire
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
21 Sep 2025
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Summary
You died.
Literally.
The process itself was nothing special. The interesting part is what happened after. Instead of the abyss or paradise, a mysterious voice strikes up a deal with you in front of your fresh corpse.[I am the Villain Creation System, if you want a second chance at life, then you must corrupt the souls of various Mark Graysons across the multiverse.]
“Do I have a choice?”
[Of course! Agree to our terms, or spend the rest of eternity alone and conscious of your own nonexistence, unable to move on to the next life and barred from what your ilk calls Heaven.]
[ ˶ˆᗜˆ˵ ]
“...okay, sold.”
[Yay!]You successfully destroyed the lives of different versions of Mark Grayson, but when it's time to claim your prize, something goes wrong and you are stuck in this godforsaken timeline. What's worse was that they have found you.
"Come with me and we will rule the universe together."
"Be my wife and bear my children. No harm will ever come to you."
"After you died, no one could compare to you, not even your own corpse."You: (•_•)
Series
- Part 2 of Only You
- Part 2 of Superhero x Reader longfics
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Pet by poisonouslittleviper
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
21 Sep 2025
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A mundane day at the office turns into a blood-soaked nightmare when a masked figure arrives with a mission.
Invincible AU. Loosely based on the "Sinister Mark" character.
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She Loved You in Every Universe, But Mine by NoGogglesMark_n1Fan
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
21 Sep 2025
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Summary
OMNI MARK / F! READER
Then, slowly, he peeled the mask away. And I saw his face. I had never seen it before. Not in this world, not in mine. But something about it...hazel-green eyes, furrowed brow, that quiet ache just behind the cold...made me freeze. “You can’t be her,” he whispered.
My breath hitched. I didn’t know what to say. So I spit in his face. He blinked, wiping it away slowly. His expression didn’t change, not much. But his silence stretched into something heavy. “Monster,” I whispered.
OR
You end up in another dimension where you're mistaken for his dead lover. Too bad his variant destroyed your original world...
>> updates weekly (or at least I'll try to due to school lol)
cross posted on wattpad (NoGogglesMark_n1Fan)
Series
- Part 1 of Across All Realities, It Was Always You
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Holy shit, I'm raising a conqueror... by DeviantWriter
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
21 Sep 2025
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Summary
After his fight with Omni-Man, Mark vanished...only after one strange night with William. Months later he’s back, cradling a baby with William’s eyes and wearing a smile that doesn’t feel quite right. Something about him has changed, and whatever it is, it’s dangerous.
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The Weight of Wearing You by elainewonders
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
20 Sep 2025
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Summary
You froze, gripping your textbook in front of you like it was a shield. His figure swallowed up Mark’s living room, his eyes nearly glowing in the dim lighting.
“Savannah Fawn, Mark Grayson’s girlfriend,” He began quietly, sending shivers down your spine. His voice was icy. He seemed almost amazed by your existence. “You’re alive in this universe?”
You held your breath as he grabbed onto the couch arm, yanking it and you closer to him like it weighed nothing. Your heart pounded in your ears, bile rising in your throat.
And then he straightened up, brows smoothing.“You’ll do wonderfully,” He continued, more to himself than you. With a vulpine smirk, he extended a veiny hand.
“Angstrom Levy. I am the man who’s going to kill your lover.”
. ݁₊ ⊹ . ݁ ⟡ ݁ . ⊹ ₊ ݁.
CONTINUATION OF "In Case of Heartbreak, Wear a Mask."
MINORS DNI
Series
- Part 2 of The Mask Chronicles
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Softer Than Steel by annlytical
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
20 Sep 2025
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Summary
You're not just a journalism intern at the Daily Planet, it turns you're an alien from a destroyed world. Having hiding your powers behind glasses and excuses. Life in the city is loud, fast, and full of secrets. Which includes your friendships with your fellow interns and your close friend Mark Grayson, who might be hiding something just as big too.
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A-Z Female character alphabet by Mrprince2099
Fandoms: Hazbin Hotel (Cartoon), Helluva Boss (Web Series), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Transformers: Prime, Doki Doki Literature Club! (Visual Novel), Young Justice (Cartoon), Invincible (Cartoon 2021), Invincible (Image Comics), Space Jam (Movies), Zootopia (Disney Movies), Who Framed Roger Rabbit (1988), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), The Last of Us (Video Games), Pocket Monsters | Pokemon - All Media Types, Halo (Video Games) & Related Fandoms, Avatar: The Last Airbender (Cartoon 2005), Avatar: Legend of Korra, The Boys (TV 2019), Cyberpunk 2077 (Video Game), Bullet Train (2022), Ben 10 Series, My Life as a Teenage Robot, ビースターズ | BEASTARS, Overwatch (Video Game), Marvel, Grounded (Video Game), Hollow Knight (Video Games), Cyberpunk: Edgerunners (Anime), The Big Bang Theory (TV), Baldur's Gate (Video Games)
20 Sep 2025
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This is a simple female A to Z that I will using dozens of fandoms and fan suggestions to make sure good female character alphabet, I also will be doing femboys and maybe trans characters down the line. This work was inspired by Jrobbo117.
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chiaroscuro by theverycringefanficwriter
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
19 Sep 2025
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Summary
sinister mark's childhood was... traumatic. from the very start, he was already planned to become a loyal soldier to viltrum. but then, you came along. you were the only hope he had in his world of darkness. you were his silver lining. his... chiaroscuro. (this is gn!reader/Mark Grayson, but preferable afab!reader. any can work)
this is based on a comic that is already graphic, and this fanfic is already consisting of violence, death, blood and gore, and other strong topics.this fanfic is generally gn!reader/sinister mark Grayson (mostly fem!reader but any)
(inspired by a fic by Opal2ume)
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wedding bells by vo1can1cv1per
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics), Scott Pilgrim - All Media Types
19 Sep 2025
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Summary
WEDDING TIME
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What can I do? by Anonymous
Fandoms: Invincible (Image Comics), Invincible (Cartoon 2021), Fantastic Four (Comicverse)
18 Sep 2025
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Summary
‘Everything that happens in this world is my concern,’ he would always say with his chin held high and his arms crossed. The one pose that he always sees his dad in whenever he’s talking to someone.
‘Yeah, well. You’re a child; go play with the neighbor's kids or play with your toys. Leave your worldly concern to your old man,’ his dad would reply.
He was a kid, so he did. Because he trusts his dad to take care of things. He was, after all, an adult. And in little Johnny’s mind, that means that his dad must be a very powerful man. He must’ve saved a lot of people, and he must still be saving a lot of people. Because that’s his job, and Johnny knew that.
This time, however, Johnny just wishes that his dad would save him too.
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The Choices We Make by TDESMC
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
18 Sep 2025
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Summary
Mark was six when he got his powers. Nine when his father ripped him away from Earth. Eighteen when they finally returned to the family they had left behind.
Nolan made no secret of his disdain for Amelia when he had informed Mark of his expectations for this mission. How important Earth was to repopulating their species. Still, part of Mark wondered if it was a waste to write off his twin. Any Viltrumite DNA counted in the end. Even if it came from a sickly, powerless halfbreed.
This is the story of Viltrumite Mark's origins and just how far he'll go to get what he wants.
(None of the incest happens while they're underage.)
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SUPERNOVA by Mothonthetube
Fandoms: Invincible (Image Comics), Invincible (Cartoon 2021)
18 Sep 2025
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Summary
“Man, what are you doing?” Rex asked, almost out of breath. The cut on his lip was bleeding again, a trail of it mixed with sweat and water ran down his chin.
Mark shrugged. “Jerking us off?”
“Are you making love to me? Should I have brought some fucking candles to these communal showers? Some Chardonnay?”[Things get heated after a successful mission, as they always do between Mark and Rex. This time, though, something changes. There's something different.]
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Invincible: The Blue Blink by Hetoculus
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
18 Sep 2025
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Summary
In another time, another universe, the Grayson's are a family of four. Of which include Nolan, Debbie, Mark...and Emily. As events unfold in this variant universe, Emily Grayson grows up, learns, loves, and struggles. What will she have after 500 years?
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Lovestruck at Urath by MythicWolf
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
18 Sep 2025
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Summary
Mark remembered to drag his eyes to Immortal’s face. He was strikingly handsome. A thick, dark beard covered his face, and his hair was slicked back. Piercing blue eyes studied the crowd. They passed over most of the men around the stage, but then they landed on Mark.
Immortal quirked a brow. He grinned and winked right at Mark.
Oh shit.
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When You Feel It Too by Leon_KennedyLover
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
18 Sep 2025
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Summary
Mark Grayson may be a superhero, but his hardest battle is facing his feelings for his best friend, William. Their bond—once just laughter and late nights—has started to shift, with lingering touches and unspoken tension. After a rough fight leaves Mark vulnerable, he admits that being with William is the only time he feels like himself. In a quiet, honest moment, they finally acknowledge what’s been growing between them, sealing it with a kiss that feels like coming home.
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I’m gonna be just like you by MakoTheShark
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
18 Sep 2025
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Summary
This was a horrible idea. His second thoughts had been right. Mark thought distantly biting his lip until he tasted iron.
It hurt, it hurt, it hurt.
His arm was decidedly bend the wrong way, white peaking out from his flesh. It hurt so bad. Mark could feel his eyes stinging.
And though it was something big boys didn’t do — and though Mark was very much a big boy — he started to cry.
Aka Mark turns nine. He’s a big boy now… so why can he still not fly?
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Fic ideas/challenges by JK4life
Fandoms: Hazbin Hotel (Cartoon), Devil May Cry (Gameverse), Devil May Cry (Cartoon 2025), Clone High, Panty & Stocking with Garterbelt, PPG, Codename: Kids Next Door, Naruto (Anime & Manga), Hellsing, Hellsing Ultimate, Dragon Ball, Helluva Boss (Web Series), Helltaker (Video Game), The Powerpuff Girls (Cartoon 1998-2005), The Owl House (Cartoon), Adventure Time (Cartoon 2010), Invincible (Cartoon 2021), Invincible (Image Comics), Code Lyoko, 転生コロシアム～最弱スキルで最強の女たちを攻略して奴隷ハーレム作ります～ | Tensei Colosseum | Reincarnation Colosseum (Manga), Scooby Doo - All Media Types, Danny Phantom, Monster High (Cartoon 2010), Monster High (Comics), Monster High (Cartoon 2022), Avatar: Legend of Korra, Avatar: The Last Airbender (Cartoon 2005), Ben 10 Series, FLCL, Spider-Man - All Media Types, The Spectacular Spider-Man (Cartoon), Kim Possible (Cartoon)
18 Sep 2025
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Summary
Random Fic ideas/challenges for characters I like/love and don't see that many fics about especially in other universes, harem, or so much more.
Will update when I can
Can take them and make your own fics with them
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Welcome to Earth by Corvix_Ailuranthrope_4313
Fandoms: Invincible (Image Comics), Invincible (Cartoon 2021)
17 Sep 2025
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Summary
Viltrum has been lost, there are only Thirty Seven Viltrumites left of The Empire and they want to regain their numbers, so Thragg had given them a task, integrate within Earth, breed amongst them and replenish their numbers, so that was what they did, The Viltrumites had found a new home and a new mission, now they were here, wonder what they’ll get up to!