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Flash and Supergirl Crossovers
3k+ Karry Universe » by CharmedMilliE- Karry Master In an alternate universe both Barry and Kara exist together. This is what happens when they meet in college and fall in love. Follow them, their family, and friends through life from college years to being superheroes and beyond. This is Karry Universe. Leading the Millma Verse.
T, English, Romance, chapters: 177, words: 977k+, favs: 1k+, follows: 1k+, updated: 11/28 published: 3/4/2016, [Barry A./The Flash, Kara D./Supergirl]
the Speedster and Kryptonian turn evil by Superflash123 this story happen after Crisis on Earth X. this is a story of Barry and Kara turn evil. in this story Cisco still blames barry for his brother's death.
K, English, Sci-Fi & Adventure, words: 750, favs: 2, follows: 2, 11/27, Iris W., Kara D./Supergirl, Barry A./The Flash
202 Worlds Apart » by Maroon Smoke A twist of fate sends our very own Barry Allen hurtling into Earth 38- where he wants to stay for the long haul. After making fast friends with Clark Kent, he's given one mission: protect Kara Danvers as she takes her mantle as Supergirl.
T, English, Romance & Adventure, chapters: 10, words: 83k+, favs: 450, follows: 503, updated: 11/23 published: 8/28/2018, [Barry A./The Flash, Kara D./Supergirl]
LEGENDS OF SUPERFLARROW: HEROES VS ALIENS by KingMaster2526 Una nueva amenaza llega a Central City, lo que provoca que el Team Flash, el Team Arrow, Supergirl y las Leyendas se unan por primera vez, pero no lo tendrán fácil debido a un oscuro secreto de Flash ¿Podrán los equipos resolver sus diferencias mientras combaten esta poderosa amenaza que busca acabar con el Velocista Escarlata y todos los metahumanos? Bueno entren y descubranlo
K+, Spanish, Friendship, words: 831, 11/19, Oliver Q./The Arrow, Kara D./Supergirl, Barry A./The Flash, Sara L./White Canary
2 Breaking Dawn » by Artemis08Luna "Oh shit." "What the hell just happened?" "Uhh... I think I just killed Dawn?" Silence. "What!" Or the part where Barry, Kara and Oliver's kid gets thrown back in time way too far than intended. KARIVARRY (SEQUEL of WORDS WE'LL SAY IN GREETING)
T, English, Family & Hurt/Comfort, chapters: 2, words: 3k+, favs: 20, follows: 15, updated: 11/5 published: 2/13/2019, [Barry A./The Flash, Oliver Q./The Arrow, Kara D./Supergirl] OC
68 Words We'll Say in Greeting » by Artemis08Luna Kara has two soulmates; she knows this by the elegant script on the middle of her back that says "Green Arrow" and the almost childlike handwriting on her shoulder blade that reads "You're on fire!" She doesn't know what's more absurd: that one of her soulmates' first words to her will involve arrows, or that she will apparently catch fire in front of the other. (KARIVARRY)
T, English, Romance & Hurt/Comfort, chapters: 17, words: 58k+, favs: 197, follows: 215, updated: 11/4 published: 1/27/2018, [Barry A./The Flash, Kara D./Supergirl, Oliver Q./The Arrow]
Just an idea by Arrowverse And MCU Fan An idea about a crossover between Flash and Supergirl.
T, English, Family & Adventure, words: 311, favs: 1, follows: 1, 11/4, Barry A./The Flash, OC, Kara D./Supergirl
16 Super Snowbarry » by Zach-Morse-117 The Flash is the one to find Kara when she crash lands instead of Superman. Caitlin and Barry are together in this story because SnowBarry and Supercorp eventually. Disclaimer I do not own the rights to any Characters.
T, English, Sci-Fi, chapters: 10, words: 20k+, favs: 28, follows: 31, updated: 10/31 published: 5/19, Barry A./The Flash, Dr. Caitlin S., Kara D./Supergirl, Alex D.
2 One shot Superflash » by tangels718 One shot s de Superflash y Karry mayormente de un solo capítulo.
K, Spanish, chapters: 14, words: 18k+, favs: 2, follows: 3, updated: 10/28 published: 6/16, Barry A./The Flash, Kara D./Supergirl
32 New Justice- Revenge Against the League » by CharmedMilliE- Karry Master Crisis is over and life is returning to normal, but there are some loose ends from previous seasons that will come back to haunt the league. Who exactly wants revenge and what for?
T, English, Adventure, chapters: 6, words: 33k+, favs: 12, follows: 12, updated: 10/24 published: 9/19, [Kara D./Supergirl, OC] [Mon-El, Winn S.]
1 ARROWVERSE REBOOT » by Randrog Heroes are needed across the multiverse. Dr. Fate only wanted order in the galaxy. Will it ever be the same when the book of destiny is opened and used? Super/Flash
T, English, Drama & Romance, chapters: 9, words: 29k+, favs: 9, follows: 11, updated: 10/19 published: 6/7, [Barry A./The Flash, Kara D./Supergirl] Dr. Caitlin S., Cisco R.
Save Barry-chapter two by superflash1998 hey super sorry for the late post I hope you guys enjoy the story.
T, English, Romance & Hurt/Comfort, words: 319, 9/23
93 Beautiful » by CharmedMilliE- Karry Master On a world where most of our favorite characters are actors they balance their jobs, fans, conventions, their real lives including kids, and superhero life.
T, English, Family, chapters: 18, words: 111k+, favs: 37, follows: 33, updated: 9/12 published: 8/25/2019, [Barry A./The Flash, Kara D./Supergirl] [Dr. Caitlin S., OC]
El héroe de otra Tierra » by Vengador Dragon Barry tras estar probando el estabilizador de taquiones termina atravesando una brecha llevándolo a una Tierra alternativa, en donde conoce a Kara Danvers, juntos tienen como misión, hacer que vuelva Barry a casa, y lograr hacer que Kara recupere lo perdido en la Tierra, su familia
T, Spanish, Adventure & Drama, chapters: 9, words: 17k+, favs: 8, follows: 10, updated: 8/31 published: 4/20/2020, [Barry A./The Flash, Kara D./Supergirl] Mon-El
2 Sun will rise by Bl4ckHunter One-shot story. Barry and Kara spend together some enjoyable time at the beach.
T, English, Romance, words: 1k+, favs: 11, follows: 6, 8/22, [Barry A./The Flash, Kara D./Supergirl]
Advice From A Friend by Roswelllostcause SPOILER WARNING contains spoilers for Supergirl season6 After hearing about Kara finding her father alive on her trip to the Phantom Zone Caitlin makes a trip to National City to offer some words of advice. Having experienced the return to a father thought to have died only to learn they had been imprisoned somewhere else Caitlin takes it upon herself to give Kara a word of warning
T, English, Friendship, words: 2k+, favs: 5, follows: 3, 8/11, Dr. Caitlin S., Kara D./Supergirl, Alex D., J'onn J./Martian Manhunter
86 The Reboot » by ki58ran A "Crisis on Infinite Earths" Aftermath Story. SnowBarry/SuperFlash
T, English, Drama & Suspense, chapters: 46, words: 91k+, favs: 81, follows: 91, updated: 8/9 published: 6/8/2020, Barry A./The Flash, Dr. Caitlin S., Jesse Q., Kara D./Supergirl
42 Crisis on Infinite Millma Earths, Part 3 - The Backup System » by CharmedMilliE- Karry Master With the multiverse gone, it's up to the Paragons as the backup system to do what they must – they need to bring back the multiverse and defeat the Anti-Monitor. But it won't be easy.
T, English, chapters: 9, words: 42k+, favs: 18, follows: 10, updated: 8/8 published: 6/13, [Barry A./The Flash, Kara D./Supergirl] OC, Mon-El
45 Another Life Another Earth » by Savitar-X-Supergirl This a (re-edited) version of: Beginnings of a New Life. Supergirl is dead. Or that's what everyone thinks. During a battle with a rogue alien, Kara gets injured and is sent into breach. Where will she end up? Will she ever be able to get home? Hope You Enjoy!
T, English, Hurt/Comfort & Romance, chapters: 3, words: 5k+, favs: 17, follows: 17, updated: 7/15 published: 6/22, Barry A./The Flash, Kara D./Supergirl
8 Traveling to the Past by Savitar-X-Supergirl Barry Allen (aka) The Flash dies during Crisis instead of Oliver Queen. Fulfilling the destiny that he was supposed to die. What if Kara has a way to keep Barry, the man she secretly loves from dying in Crisis? Hope you Enjoy!
T, English, Friendship, words: 1k+, favs: 13, follows: 18, 7/7, Barry A./The Flash, Kara D./Supergirl
46 A New World Order (Edited Version) » by Savitar-X-Supergirl CADMUS rages an all out war in National City with one goal: Eliminate all Aliens, including Supergirl. Could this be the end of Earth-38? Takes place in the future. (Edited Version)
T, English, Friendship, chapters: 3, words: 5k+, favs: 8, follows: 8, updated: 6/26 published: 4/4, Barry A./The Flash, Kara D./Supergirl
9 The Rescue of Supergirl » by Savitar-X-Supergirl CADMUS catches Supergirl in hopes of transfering her powers to Lillian Luthor's army of Super Soldiers.
T, English, Hurt/Comfort, chapters: 3, words: 2k+, favs: 16, follows: 15, updated: 6/24 published: 11/4/2020, Barry A./The Flash, Dr. Caitlin S., Cisco R., Kara D./Supergirl
2 The Final Goodbye (Edited) » by Savitar-X-Supergirl This is an Edited version of the previous story. How would TeamFlash, TeamLegends, and TeamArrow react to Kara being trapped in the Phantom Zone with no point of return. Takes place between Episode 1 & 2 (WARNING: Spoilers for Season 6)
T, English, Hurt/Comfort, chapters: 2, words: 2k+, favs: 15, follows: 15, updated: 6/23 published: 4/12, Barry A./The Flash, Dr. Caitlin S., Cisco R., Kara D./Supergirl
4 Dark Love » by Savitar-X-Supergirl This is a re-make of Forbidden Love. Team Flash are at a loss on how to defeat Savitar and save Iris. So who do they call to assist? Supergirl of Earth-38. But what happens when The Girl of Steel meet's the God of Speed?
T, English, Hurt/Comfort & Suspense, chapters: 3, words: 6k+, favs: 13, follows: 14, updated: 6/19 published: 4/19, Barry A./The Flash, Dr. Caitlin S., Savitar, Kara D./Supergirl
3 Something Greater » by Grimoire78 A decade ago, the Darkseid War ended with The Flash and Supergirl defeating Darkseid, but losing their lives in the process. Now, their son, along with the rest of the new generation begin training to become the new heroes that will defend this world from enemies to come. Is this a new Justice League, or Something Greater?
K+, English, Adventure, chapters: 5, words: 17k+, favs: 9, follows: 10, updated: 6/15 published: 4/14, [Barry A./The Flash, Kara D./Supergirl] OC, Dr. Caitlin S.
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