Ben 10 Crossovers
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Owl 10 by TexMex Life reviews
a young boy is given a special watch and finds the demon realm, What happens next? find out in Owl 10.
Crossover - Ben 10 & Owl House - Rated: T - English - Sci-Fi/Family - Chapters: 6 - Words: 4,298 - Reviews: 6 - Favs: 2 - Follows: 1 - Updated: 2h - Published: 6/23 - [Luz N., Amity B.] OC
DC Maelstrom: Omni Travels by Kfbanime87 reviews
When a hero loving teen finds possibly the most powerful device in the universe, watch as this boy grows to be the hero he's always dreamed of
Crossover - Naruto & Ben 10 - Rated: M - English - Adventure/Humor - Chapters: 10 - Words: 69,925 - Reviews: 467 - Favs: 962 - Follows: 999 - Updated: 4h - Published: 2/24/2023 - Naruto U., Gwen T.
We'll Carry On: An Ochako Omnitrix Story - Volume 1 by Transwiththeplans reviews
Ochako Uraraka finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Cover by @ZebraKnight1 on Instagram
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 106 - Words: 713,111 - Reviews: 151 - Favs: 211 - Follows: 195 - Updated: 4h - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
Priestess 10 - Christmas Boogaloo by SilverSoulmmc reviews
Yukiko doesn't wish for a lot, but what she does doesn't seem like much to others. All she wants is to celebrate her joint birthday with Ben and Gwen, and to have the Tennysons enjoy their first time in Inaba. Unfortunately, Yukiko is unaware that the holidays are known for opening up old awkward family wounds. Oh, and rouge alien attacks too.
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Drama - Chapters: 6 - Words: 28,932 - Reviews: 18 - Favs: 41 - Follows: 39 - Updated: 6h - Published: 1/16 - Ben T., Gwen T., Max T., Yukiko A.
Dinosaurs and Aliens by jboy44 reviews
A twist of Fate, and Max's parents were taken away, No with no family he has been adopted by the Tennyson family. Max has his dinosaurs, but his big brother has his aliens. With his new family Max is about to set out to stop prehistoric and other worldly evil, and save his birth parents from their kidnappers.
Crossover - Ben 10 & Dinosaur King - Rated: M - English - Adventure/Supernatural - Chapters: 17 - Words: 39,569 - Reviews: 54 - Favs: 18 - Follows: 17 - Updated: 7h - Published: 4/27 - [Ben T., OC] [Zoe D., Max T.]
Ben 10: Justice Incarnate by Firestorm808 reviews
Stranded in an unknown world, Ben must fulfill his destiny here and change history for the better. Cover image from Promsien.
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure/Humor - Chapters: 23 - Words: 85,301 - Reviews: 840 - Favs: 2,338 - Follows: 2,592 - Updated: 8h - Published: 3/23/2016 - Ben T.
Jack Spicer: Heylin Force by Nomadic Chaos 888 reviews
When something as simple as a change direction causes Jack to come into the possession of one of the most powerful pieces of alien technology, the misadventures and saga of an evil-genius coming into his own, and the rise of his own Legion to battle against all foes both on and off planet soon begins. Rated M for Mature Themes.
Crossover - Xiaolin Showdown & Ben 10 - Rated: M - English - Sci-Fi/Supernatural - Chapters: 5 - Words: 35,922 - Reviews: 14 - Favs: 18 - Follows: 22 - Updated: 6/29 - Published: 5/2 - Jack, Katnappe, OC
Superheroes Extraordinarae by Degenerate King reviews
Escaping out of Null Void, Kevin Levin hadn't thought to be embroiled into another world full of turmoil. Also why is Tennyson's cousin here? Stuck in a world full of capes, giant monsters who were invulnerable to anything, he does his best. Fight or die. He will do his best for sure. Warning: I own nothing, all belong to their respective creators. Rated M for a reason.
Crossover - Ben 10 & Worm - Rated: M - English - Fantasy - Chapters: 8 - Words: 19,044 - Reviews: 7 - Favs: 49 - Follows: 61 - Updated: 6/29 - Published: 6/4 - Kevin, Gwen T., Skitter, Panacea
Boku no Hero Alien force Season 1 by benguin reviews
This story is another ben 10 crossover. Follow my other story Mass effect 10. I would not stress this enough to say That I do not own both series and manga. which is of course Ben 10 and My hero acidemia, They both belong to there respected owners. Please support the official release. I also Cross Post on WattPad (Commander Benguin:@user07982858) and A03 (Commander Benguin010).
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 23,897 - Reviews: 24 - Favs: 37 - Follows: 42 - Updated: 6/28 - Published: 4/14 - [Ben T., Itsuka K.] Izuku M., 1-B Students
Omni-Kaiju by SJMS09 reviews
In a world full of giant monsters known as Kaiju, young Ben Tennyson finds himself teaming up with a man who has the ability to transform into a Kaiju. Together, the two will rise through the ranks of the Defense Force and stop all of the evil Kaiju for good.
Crossover - Ben 10 & Kaiju No. 8 - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 27,433 - Reviews: 16 - Favs: 33 - Follows: 37 - Updated: 6/28 - Published: 6/7 - Ben T.
Avengers: Agent-10 by Masamune X23 reviews
After a few years of peacefulness Ben Tennyson engages his nemesis in another battle for the fate of the universe but their clash results in him ending up in a world where heroes and villains constantly battle and aliens aren't citizens on earth. Will Ben be able to change this new world for the better like he did on his earth or will this world's greater evils bring him down?
Crossover - Ben 10 & Avengers: Earth's Mightiest Heroes - Rated: M - English - Sci-Fi/Adventure - Chapters: 30 - Words: 324,037 - Reviews: 870 - Favs: 1,162 - Follows: 1,209 - Updated: 6/28 - Published: 1/1/2019
Heroes Never Die It's Hero Time by Guardian-Sigil reviews
One would think that in a world where everyday people possess impossible abilities nothing would really be a surprise. Izuku Midoriya, who upon the age of four was diagnosed as quirkless, was denied of his dream of become a hero that can save everyone with a smile. But fate gives him a chance; allowing him access not to one but a universe of powers and abilities.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 91 - Words: 1,894,875 - Reviews: 4994 - Favs: 2,228 - Follows: 2,229 - Updated: 6/28 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
Ultimate Alien: Primarch Force by Pravus666 reviews
What happens when in a Hail Mary to destroy Vilgax in their final battle, that Ben is sent hurtling across space-time throughout the Omniverse; and finds himself not only in a different one entirely...but 30,000 years in the future...Well, strap in as Ben enters into the Great Crusade and battles against the Ruinous Powers. Rated M for Mature Themes and Violence.
Crossover - Warhammer & Ben 10 - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 123,024 - Reviews: 116 - Favs: 192 - Follows: 214 - Updated: 6/27 - Published: 3/16 - Primarch/s, Ben T., Gwen T.
The Crystal Brothers by Jss2141 reviews
Earth, a planet unlike any other the diamonds had come across in their conquest of the galaxy. Not only was it a planet with it's own inhabitants known as "humans" but apparently it was able to create two gems unlike any that had ever been created before. Gems made entirely of gem rock and being "males" instead of females.
Crossover - Ben 10 & Steven Universe - Rated: T - English - Adventure/Supernatural - Chapters: 8 - Words: 11,664 - Reviews: 12 - Favs: 35 - Follows: 32 - Updated: 6/27 - Published: 3/31/2023 - Pink Diamond, Pearl, Rose Quartz
Class 1-A Watches Ben 10 by Celestial Empress Sandra reviews
Class 1-A and a handful of teachers are whisked away to learn about the flaws of their hero society and beliefs in heroes in general. And so, two multiversal creatures show them the flaws of their hero society by learning proper hero lessons from the most unlikely place... A ten-year-old boy with a fancy watch on his wrist.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Humor/Adventure - Chapters: 6 - Words: 60,643 - Reviews: 124 - Favs: 287 - Follows: 322 - Updated: 6/27 - Published: 5/9 - Toshinori Y./All Might, Shouta A./Eraserhead, Nemuri K./Midnight, 1-A Students
Omni Heroes by AutoHunterJ49 reviews
The Tennyson twins were expecting to go on a normal summer vacation with their cousin and his family, Not having to be reminded about being Quirkless. But that all changed when an alien space pod crashed down on their campsite while carrying a pair of strange devices called the Omnitrixes. Now they have the chance to finally live out their dreams of becoming heroes.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 11,267 - Reviews: 1 - Favs: 8 - Follows: 9 - Published: 6/27 - Gwen T., Max T., OC
Omni-Piece by The True Writer. Zerthin reviews
A Ben 10/One Piece crossover; I woke up this morning with this on my mind, and I had to share it with you all! I hope you enjoy. It's going to be a task I hope you'll enjoy. [Bonus: Ben will have the Ultimatrix (Well an O.C version called the M-Model; He also has the Haki's; all three. but he'll have to get training to access them full time)]
Crossover - One Piece & Ben 10 - Rated: K - English - Adventure/Fantasy - Chapters: 36 - Words: 59,618 - Reviews: 170 - Favs: 183 - Follows: 171 - Updated: 6/27 - Published: 12/22/2019 - Luffy, Zoro, Sanji, Ben T.
The Baddest Ben Tennyson's Special Guide to Superheroics by Chris Chronos reviews
[Yet another Ben 10 X My Hero Academia Crossover!] Our protagonist, Ben Tennyson, is many things: a butler, a chef, a villain, a criminal, and even a vigilante. His actions blur the lines between good and evil, raising the question: is he a hero or a villain? Perhaps so often no one can really find out what's going on in his mind that defies definition.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Humor - Chapters: 3 - Words: 41,365 - Reviews: 7 - Favs: 34 - Follows: 30 - Updated: 6/27 - Published: 6/12 - Ben T., Momo Y., Shouta A./Eraserhead, 1-A Students
The First Second Chance by Dracorex.the.1steBorn reviews
A guy gets reincarnated but it's God,Zeus or Odin he doesn't care what you call him, first time doing it so there will be unexpected things happening.
Crossover - Ben 10 & Anime X-overs - Rated: T - English - Fantasy - Chapters: 2 - Words: 3,599 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 6/27 - Published: 3/8
Ben 10 & She-Ra Heroes of Power by Hero Central reviews
An investigation into space time anomalies lands Ben Tennyson and his partner Rook Blonko on the mysterious and magical planet of Etheria, they cross paths with Adora and her friends and choose to do what they can to free Etheria from the tyrannical grip of the Horde. Its Hero time,For the Honour of Greyskull!
Crossover - Ben 10 & She-Ra and the Princesses of Power - Rated: T - English - Friendship/Supernatural - Chapters: 29 - Words: 438,230 - Reviews: 666 - Favs: 437 - Follows: 431 - Updated: 6/27 - Published: 10/18/2020 - Ben T., Rook, Adora/She-Ra, Princess Glimmer
Omni-Punch by SJMS09 reviews
Ben Tennyson, the Hero of Heroes, finds himself in a new world full of heroes and monsters after escaping from the Null Void. In this new world, Ben finds himself becoming friends with an individual who has the power to defeat any opponent with just one punch.
Crossover - Ben 10 & One Punch Man/ワンパンマン - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 25,411 - Reviews: 10 - Favs: 38 - Follows: 40 - Updated: 6/26 - Published: 5/15 - Ben T., Saitama, Genos
Dekiru 10: The Symbol Of Peace And The Protector Of Earth by Phantomdanger reviews
Izuku Midoriya, previously quirkless, was offered One For All by the greatest hero, but during training, he discovered the Omnitrix. Now his on the journey to be the greatest hero, the Symbol of Peace and The protector of Earth. It's Hero Time! (Cross-posted from wattpad)
Crossover - My Hero Academia/僕のヒーローアカデミア & Ben 10 - Rated: M - English - Sci-Fi/Adventure - Chapters: 30 - Words: 234,565 - Reviews: 11 - Favs: 93 - Follows: 104 - Updated: 6/26 - Published: 5/26 - Izuku M., 1-A Students, 1-B Students
Ark of Viltrum by Mustard01 reviews
The last of his kind, stuck on a new planet, filled with weaklings. Now he gets to travel this new land. Whatever shall he do now except fight the beings that annoy him. Viltrumite Naruto
Crossover - Naruto & Ben 10 - Rated: M - English - Adventure/Romance - Chapters: 3 - Words: 18,521 - Reviews: 62 - Favs: 388 - Follows: 474 - Updated: 6/26 - Published: 4/13/2023 - Naruto U.
My Alien Academia by The Incredible Muffin reviews
Some worthy souls are chosen to carry the mantle of great heroes. Sometimes, this is destiny. Other times, it's all about being in the right universe, at the right time, chosen by the right watch.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 62 - Words: 566,507 - Reviews: 1909 - Favs: 2,790 - Follows: 2,858 - Updated: 6/26 - Published: 11/26/2019 - Ben T., Izuku M.
Return of the Night Furies by Amit Barabi
After the Omniverse War, Ben became immortal and outlived his loved ones. Now, he travels to the needed universes and makes the necessary decisions. It takes place within the Amit Cinematic Universe long before Gwen Stacy became G-Morph. Read "Rise of G-Morph and the Amazing Spider-Man" for context.
Crossover - Ben 10 & How to Train Your Dragon - Rated: T - English - Adventure - Chapters: 1 - Words: 1,112 - Published: 6/25
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