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Crisis on Infinite Earths by Spike Trap reviews
When a wave of Antimatter threatens the Multiverse, its greatest heroes gather to save us all. But what of the Monitors Prophecy and the Heroes who are fated to die? SuperArrow and WhiteFlash ships. Also xover with Gotham with BatCat ship SEQUEL IS UP!
Crossover - Arrow & Supergirl - Rated: T - English - Friendship/Adventure - Chapters: 22 - Words: 90,801 - Reviews: 110 - Favs: 131 - Follows: 114 - Updated: 5/18 - Published: 2/25/2020 - [Oliver Q./Green Arrow, Kara D./Supergirl] [Barry A./The Flash, Sara L./White Canary] - Complete
Injustice: Civil War by Spike Trap reviews
Five years after the Crisis, the Justice League are in a battle with their greatest enemies, the Injustice League, when some of their members are suddenly pulled to another Earth in need of Heroes.
Crossover - Injustice: Gods Among Us & Supergirl - Rated: T - English - Chapters: 4 - Words: 6,868 - Reviews: 4 - Favs: 15 - Follows: 15 - Published: 5/18 - Flash, Green Arrow, Kara D./Supergirl, Mon-El
Karry Universe by CharmedMilliE- Karry Master reviews
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.
Crossover - Flash & Supergirl - Rated: T - English - Romance - Chapters: 197 - Words: 1,111,552 - Reviews: 3409 - Favs: 1,629 - Follows: 1,428 - Updated: 5/14 - Published: 3/4/2016 - [Barry A./The Flash, Kara D./Supergirl]
What Could've Been: An Infinity Crisis Mother's Day Story by Ben2Dartmouth reviews
Kara Danvers receives an unexpected gift from an equally unexpected visitor while considering what to do on Mother's Day.
Crossover - Spider-Man & Supergirl - Rated: K+ - English - Supernatural/Hurt/Comfort - Chapters: 1 - Words: 4,504 - Reviews: 5 - Favs: 9 - Follows: 4 - Published: 5/13 - Complete
Elseworlds: The Collection by AllyBP reviews
A collection of "what ifs" stories about the Arrowverse. Multiple pairings and ratings. Stories where anything and everything can happen. - Multiple ratings.
Crossover - Arrow & Supergirl - Rated: M - English - Humor/Romance - Chapters: 7 - Words: 19,936 - Reviews: 9 - Favs: 43 - Follows: 40 - Updated: 5/11 - Published: 11/26/2018 - Oliver Q./Arrow/Green Arrow, Barry A., Kara D./Supergirl, Alex D.
Final Crisis by AllyBP reviews
This short story happens after Infinite Crisis (you can find it here on my profile and read it). It's based on 2 stories: Smallville season 9 Pandora episode and the animated movie Justice League: Apokolips War.
Crossover - Arrow & Supergirl - Rated: T - English - Romance/Adventure - Chapters: 4 - Words: 12,898 - Reviews: 3 - Favs: 10 - Follows: 8 - Updated: 5/6 - Published: 2/7 - Oliver Q./Arrow/Green Arrow, Sara L., Barry A., Kara D./Supergirl
A Hedgehog, Fox, Echidna, and a race by Flashraven reviews
"On your marks...get set...and...go!" The Great Race is on, between Central City's Scarlet Speedster, National City's Super Guardian in red and blue, and a certain blue alien hedgehog, red echidna and two-tailed fox- who will win?
Crossover - Sonic the Hedgehog & Supergirl - Rated: T - English - Humor/Supernatural - Chapters: 1 - Words: 8,926 - Reviews: 3 - Favs: 4 - Follows: 3 - Published: 4/29 - Sonic, Tails, Kara D./Supergirl, Barry A./The Flash
Leyendas de la Dragonlance III: El umbral del poder by SnixMarta
Esta historia no me pertenece es una adaptación del 3º libro de "Leyendas de la Dragonlance" de Margaret Weis. (Leer después de las Crónicas de la Dragonlance).
Crossover - 100 & Supergirl - Rated: M - Spanish - Fantasy/Adventure - Chapters: 35 - Words: 122,213 - Updated: 4/28 - Published: 4/10 - Octavia B., Bellamy B., Raven R., Lena L. - Complete
The Truth by Bella Gracelyn Prentiss reviews
(Sequel to The 24th) It's been a few years since Charlie's daughter Hallelujah was born. Her parents know she's special. She knows she's special, but just how special is she? What happens when Hallelujah is visited by an angel the day of her seventh birthday?
Crossover - Supergirl & Legends of Tomorrow - Rated: K - English - Sci-Fi/Family - Chapters: 26 - Words: 28,224 - Reviews: 27 - Favs: 1 - Follows: 1 - Updated: 4/22 - Published: 5/23/2021 - [Nora D., Ray Palmer/Atom] Charlie - Complete
Did You Just Punch Out Cthulhu? by StarvingLunatic reviews
Emma Swan is getting married to Regina Mills and she has invited her old friend, Kara Danvers, to the wedding. She hopes this will give Kara the courage to propose to Lena Luthor. Kara and Lena drag Alex along because she owes Emma one hell of an apology.
Crossover - Once Upon a Time & Supergirl - Rated: T - English - Romance/Drama - Chapters: 4 - Words: 22,543 - Reviews: 13 - Favs: 28 - Follows: 34 - Updated: 4/22 - Published: 4/1 - Emma S., Regina M./The Evil Queen, Kara D./Supergirl, Lena L. - Complete
Second Chance: Flash by Arrowversefanboy1
Part three of new version of Second Chances. My name is Barry Allen and I am the fastest man alive. After helping to reboot the universe, I found myself waking in a new world back at the beginning of my journey with a chance to keep history from repeating itself. Both new and old threats are coming to my city and I'm the only one fast enough to stop them. I am the Flash.
Crossover - Flash & Supergirl - Rated: K - English - Mystery - Chapters: 6 - Words: 7,314 - Favs: 1 - Follows: 2 - Published: 4/18 - Complete
The Timelords by Bella Gracelyn Prentiss
In the wake of fulfilling the prophecy of the trinity, twenty year old Aura Danvers, aka The Phoenix, must find a way to do what her birth father hadn't been able to - stop the time war. Will she be able to do what The Doctor couldn't? Or will the time war continue and destroy Earth just like it did to Gallifrey?
Crossover - Doctor Who & Supergirl - Rated: K+ - English - Sci-Fi/Drama - Chapters: 11 - Words: 15,230 - Favs: 2 - Follows: 3 - Updated: 4/17 - Published: 4/1 - [Luke S., OC] Kara D./Supergirl, Alex D.
Not So Super Strides by Michael Weyer reviews
Infinity Crisis tie-in. Kara wrestles with an unexpected revelation while Gwen Stacy and Peter Parker make some unlikely allies. Supergirl/Spiderverse crossover.
Crossover - Spider-Man & Supergirl - Rated: T - English - Chapters: 1 - Words: 7,498 - Reviews: 12 - Favs: 24 - Follows: 13 - Published: 4/16 - Complete
Second Chances: Supergirl by Arrowversefanboy1 reviews
Part one of new version of Second Chances. My name is Kara Zor-El. I'm from Krypton and also another reality. After helping reboot the multiverse, I found myself thrown into a new life with do things differently and prevent my past from becoming this world's future as I protect from threats both new and old and from both Earth and the stars. I am Supergirl
Crossover - Supergirl & Flash - Rated: K - English - Mystery - Chapters: 6 - Words: 7,704 - Reviews: 3 - Favs: 1 - Published: 4/13 - Complete
Super Weird Family by What If Universe reviews
Kara Zor-El's world is in peril and is on the edge of destruction. To save her life, her parents send her to earth where she will be able to survive and live a somewhat normal life. That is until Peter Parker and his family discovers her pod and takes her in. Follow the Parker family as they grow up and try to raise an alien from another world as their world gets stranger.
Crossover - Spider-Man & Supergirl - Rated: T - English - Friendship/Family - Chapters: 22 - Words: 51,904 - Reviews: 85 - Favs: 124 - Follows: 155 - Updated: 4/11 - Published: 9/13/2020 - Peter P./Spider-Man, Kara D./Supergirl
Arrowverse Injustice by KevinAguirre8481 reviews
Tragic events unfold in one day, which ultimately drive the Girl of Steel down a path of tyranny and destruction. Only the Emerald Archer and his allies can stop their former friend/ally, but with the heroes of Earth divided; lines are drawn, and loyalties and friendships are put to the test
Crossover - Arrow & Supergirl - Rated: T - English - Angst/Drama - Chapters: 11 - Words: 74,861 - Reviews: 34 - Favs: 17 - Follows: 11 - Updated: 4/10 - Published: 7/5/2022 - Oliver Q./Arrow/Green Arrow, Kara D./Supergirl, Alex D., Mon-El - Complete
The Caretaker by Bella Gracelyn Prentiss
When the DEO gets a caretaker, they find that he is a little strange. Even more than Winn. Who is their new caretaker really? Why did he introduce himself as John Smith, the most common name in the world?
Crossover - Doctor Who & Supergirl - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,254 - Follows: 1 - Published: 3/25 - 12th Doctor, Kara D./Supergirl, Alex D., J'onn J./Martian Manhunter - Complete
SuperCorptober 2022 by Riv.Riv.03
Thought I'd delve into this challenge. Most of the stories will be linked, I'll try and make it so they can be read individually and still make sense. Anyway I suck at summaries, so basically it's just our favourite alien and witch being cute with each other with some twists. Hope you enjoy! :)
Crossover - Merlin & Supergirl - Rated: M - English - Hurt/Comfort/Angst - Chapters: 12 - Words: 13,682 - Updated: 3/16 - Published: 12/14/2022 - [Kara D./Supergirl, Lena L.] Morgana, Morgause
Halo: Justice League by G4dgetJunior reviews
After a slipspace incident during a fierce battle, Sierra 117 and some of his allies find themselves in the DC CW universe. However, they are not alone, Atriox and the banished have followed them. Can the UNSC's greatest hero save a new universe from destruction?
Crossover - Halo & Supergirl - Rated: T - English - Sci-Fi/Suspense - Chapters: 2 - Words: 6,652 - Reviews: 1 - Favs: 21 - Follows: 34 - Published: 3/10 - Master Chief/John-117, J'onn J./Martian Manhunter, Kara D./Supergirl, Arbiter
Carrie's Supergirl by Connor McGranahan reviews
A meteor storm strikes the small town of Chamberlain, Maine, but it also brings with it a baby girl. The adventures of Carrie White and her best friends. A Smallville inspired Carrie/Supergirl crossover. Reviews are appreciated!
Crossover - Carrie & Supergirl - Rated: T - English - Sci-Fi/Friendship - Chapters: 4 - Words: 6,273 - Reviews: 1 - Favs: 6 - Follows: 5 - Updated: 3/9 - Published: 11/30/2021 - Kara D./Supergirl
Supermanifest by Scrittoredifantasia
Dicen que un rayo nunca cae dos veces en el mismo sitio, pero... ¿Caerá en dos universos distintos? Kara se encuentra con un desconocido, no hay registros de él en ninguna base de datos, solo queda esperar que despierte para saber de donde viene. Tal vez tiene un hogar, o quizá pueda construir uno en National City. Un shipp sacado de mis tontas ideas, una locura, lo sé.
Crossover - Supergirl & Manifest - Rated: M - Spanish - Romance/Sci-Fi - Chapters: 36 - Words: 14,874 - Favs: 1 - Updated: 3/4 - Published: 1/15 - [Kara D./Supergirl, Zeke L.] Alex D., J'onn J./Martian Manhunter - Complete
A Different World by The Final Shinobi reviews
Brought back by Advice from a friend. An alternate universe take on the events of Supergirl involving the Maiden of Might and the Universe's Number One Knucklehead. There is no Man of Tomorrow. And now, it is up to the Maiden and the Knucklehead to change humanity's view on different for the better. After all, evil is lurking around the corner (Hiatus)
Crossover - Naruto & Supergirl - Rated: M - English - Drama/Hurt/Comfort - Chapters: 16 - Words: 44,794 - Reviews: 78 - Favs: 221 - Follows: 240 - Updated: 2/26 - Published: 11/26/2021 - Naruto U., Kara D./Supergirl, Lena L.
Earth-1 by Multie reviews
Welcome to my very first earth on my Miltie Universe! This will be Earth- 1 where we'll see how Barry and Kara relationtionship will bloom to. summary in the story...
Crossover - Flash & Supergirl - Rated: T - English - Romance - Chapters: 2 - Words: 3,589 - Reviews: 4 - Favs: 6 - Follows: 5 - Updated: 2/20 - Published: 2/19 - [Barry A./The Flash, Kara D./Supergirl] Dr. Caitlin S., Cisco R.
Et Si Thanos avait anéanti l'autre moitié de l'univers ? by HeroWitch reviews
Et Si Thanos avait supprimés les Avengers originaux avec les quelques héros de l'Arrowverse ? Voici comment se déroule cette histoire…
Crossover - Supergirl & What If...? - Rated: T - French - Drama/Sci-Fi - Chapters: 9 - Words: 36,155 - Reviews: 9 - Updated: 2/17 - Published: 1/31/2022 - Alex D., J'onn J./Martian Manhunter, Barry A./The Flash, Peter Parker/Spider-Man
What If Thanos snapped the other half? by HeroWitch reviews
What If Thanos had snapped the original Avengers along with the few Arrowverse heroes? Here's how the story unfolds...
Crossover - Supergirl & What If...? - Rated: T - English - Drama/Sci-Fi - Chapters: 9 - Words: 32,660 - Reviews: 14 - Favs: 25 - Follows: 26 - Updated: 2/17 - Published: 1/31/2022 - Alex D., J'onn J./Martian Manhunter, Barry A./The Flash, Peter Parker/Spider-Man
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