Catalyst
In this X-Men story, a terrified mutant who can turn any substance lethal gets hunted down by Nightcrawler — and he falls for her before she ever agrees to come quietly.
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Mutants are vanishing without a trace, and the X-Men's investigation leads to a secret laboratory conducting forbidden experiments on the X-gene. When you're discovered among the facility's survivors, your rescue raises more questions than answers. Now under the protection of Xavier's Institute, you're drawn into a dangerous conspiracy involving stolen powers, buried secrets, and a project that may have been built around you.
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Housemates With Benefits [Ryomen Sukuna 18+]
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What the Bat Never Knew
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A Batman fanfiction: his ex-lover was the last warrior of a dead world, and now the Justice League needs her to save this one.

The Unclassified: DC | X-Men x You College AU
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Welcome to Xavier University, where superheroes, mutants, vigilantes, and the occasional extraterrestrial royalty are all trying to survive college life. You're the newest transfer student—and somehow, the biggest mystery on campus. Neither Cerebro nor the Batcomputer can identify what you are, where your abilities come from, or why you've suddenly appeared on everyone's radar. Your roommate is an alien princess, your hallway has a teleporting blue mutant who bamfs through the walls at 2 a.m., and the Danger Room apparently doubles as the hottest party venue on campus. Everyone wants to know your secret. Everyone wants you on their side. And you? You're just trying to survive the semester.

𝐄𝐧𝐞𝐦𝐢𝐞𝐬 𝐖𝐢𝐭𝐡 𝐁𝐞𝐧𝐞𝐟𝐢𝐭𝐬 || Kᴀᴛsᴜᴋɪ Bᴀᴋᴜɢᴏ
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[ better play some geng-geng songs while playing this fr. 😆😝 ] >>>> Ts better on third pov, thrust! I mean—trust! 😊

My Favorite Secret: JJK College AU
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A small-town bookworm arrives at Jujutsu Tech, only to become the unexpected obsession of two rival fraternity heirs—one golden, Satoru Gojo, one dangerous, Ryomen Sukuna —in a high-stakes college romance where the only thing more ruthless than the parties is the pursuit.

Class 1A self insert
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You just got into UA. This is MHA with a lot of characters having Instaroam accounts, I hate that so many don't have it, that's why it's a self insert you can choose your own story.

Mutant War
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In the X-Men universe, Magneto's daughter and Cyclops fall for each other on opposite sides of a mutant war her father will never let her leave.

Genesis | Young Justice (DC)
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You were never meant to have a life of your own—only to be an experiment, a weapon, and a success story buried beneath the secrets of Project Genesis. Rescued by Young Justice with your memories shattered and powers awakening inside you, you must uncover who stole your past. But somewhere between dangerous missions, unexpected friendships, and a family you never thought you’d have, you begin to discover something Genesis could never manufacture: a reason to live beyond your purpose.

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Marvel's Avengers need someone they can bleed on and break down in front of — that someone is you.