Supergirl Crossovers
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Falling by Lillian Jordan
What happens if Kara Danvers aka Supergirl arrives home one night to see her fiancé of three months Mon-El in bed with another woman? What happens if a certain billionaire Oliver Queen just happens to be in her city on the same night along with her two other friends Barry Allen and Sara Lance? Will she fall back in love with Mon-El or will she seek for comfort and fall in love else
Crossover - Arrow & Supergirl - Rated: M - English - Romance/Drama - Chapters: 2 - Words: 4,356 - Favs: 5 - Follows: 4 - Published: 7/18 - [Oliver Q./Arrow/Green Arrow, Kara D./Supergirl] [Barry A./The Flash, Sara L.]
ZOD by Lordheaven reviews
Short Story/AU: Supergirl/SMV: National City is under siege from the Daxam forces. And on the day of triumph an old Daxam foe returns ushering a new age.
Crossover - Smallville & Supergirl - Rated: K+ - English - Family/Adventure - Chapters: 10 - Words: 27,196 - Reviews: 11 - Favs: 14 - Follows: 22 - Updated: 7/18 - Published: 8/13/2017
Kinsfolk: A SwanQueen, SuperCorp, & SnowIng Tale by grtmnick
In the depths of her family's ancestral summer home, Queen Snow White carried to term two beautiful baby girls. The fraternal twins' Emma and Lena's existence was a closely guarded secret, so deeply hidden that the fates themselves failed to predict how the sisters would alter the threads of countless lives.
Crossover - Once Upon a Time & Supergirl - Rated: M - English - Fantasy/Drama - Chapters: 1 - Words: 70,188 - Favs: 5 - Follows: 3 - Published: 7/17 - [Emma S., Regina M./The Evil Queen] [Kara D./Supergirl, Lena L.] - Complete
Avenging Angel by Spike Trap reviews
Sent to Earth with her twin brother and her cousin, Cir-El, goes through a dimensional rift, which sends her to another univers with other heroes. Adopted by the Carters and named Mia, the Gir of Steel soon grows up to become Superwoman, one of Earth's Mightiest Heroes.
Crossover - Avengers & Supergirl - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 4,207 - Reviews: 4 - Favs: 31 - Follows: 35 - Updated: 7/15 - Published: 6/29 - Iron Man/Tony S., Nick F., Kara D./Supergirl
Supergirl, Arrow, Flash, Legends by SarahLorraine2022
What if Ronnie reappeared at the end of the crossover? Would he able to save Stein?
Crossover - Arrow & Supergirl - Rated: K - English - Adventure/Suspense - Chapters: 3 - Words: 3,971 - Updated: 7/14 - Published: 3/5 - Oliver Q./Arrow/Green Arrow, Kara D./Supergirl
Admin Assistance by T0rti reviews
Kara Danvers was not her cousin. She didn't don tights and soar through the skies. Nope. She kept her head down and worked in the shadow of a legend, taking care to stay far away from the wild and weird. That is until the wild and weird dragged her to it on its own. Waking up in the broken remains of a particle accelerator was not on her schedule this week.
Crossover - Flash & Supergirl - Rated: T - English - Adventure/Friendship - Chapters: 2 - Words: 7,103 - Reviews: 1 - Favs: 8 - Follows: 15 - Updated: 7/10 - Published: 7/3 - Barry A./The Flash, Iris W., Eobard T./Impostor Harrison W./Reverse-Flash, Kara D./Supergirl
Bounty by CharmedMilliE- Karry Master reviews
On a world where the multiverse is well known criminals try to escape to another world to get away. Kara, Barry, and Rae (Barry's cousin) go after them to bring them back. Part of the Millma Verse
Crossover - Flash & Supergirl - Rated: T - English - Family/Adventure - Chapters: 19 - Words: 87,777 - Reviews: 107 - Favs: 33 - Follows: 23 - Updated: 7/9 - Published: 10/13/2020 - Barry A./The Flash, OC, Kara D./Supergirl
Something to Fight For 20 by ambs-writes reviews
On the run after rescuing Karolina from the Gibborim church, the Runaways pull over to rest in what they think is an abandoned warehouse. After being discovered by the owner of the warehouse, the Runaways gain the most unlikely allies and both Kara Danvers and Lena Luthor find something to bring them back to the friendship they had before the Daxamite invasion.
Crossover - Supergirl & Runaways - Rated: T - English - Family/Drama - Chapters: 12 - Words: 79,520 - Reviews: 2 - Favs: 3 - Follows: 2 - Published: 7/2 - [Kara D./Supergirl, Lena L.] [Karolina D., Nico M.] - Complete
Lost Universe by CharmedMilliE- Karry Master reviews
When an accident happens Alura and Zor assume Kara is dead but years later they find out how wrong they were
Crossover - Flash & Supergirl - Rated: K+ - English - Family - Chapters: 3 - Words: 13,873 - Reviews: 23 - Favs: 28 - Follows: 29 - Updated: 6/25 - Published: 6/11 - [Barry A./The Flash, Kara D./Supergirl] [Alura, Zor-El]
The War Angel of Sera by Spec-Op Marine 117 reviews
Kara sacrificed herself to save Earth from Myriad, but the explosion from Fort Rozz catapulted her to another world that knows war. Kara found herself trying to make a difference across Sera as she tries to find her way home. Supergirl was drawn into the Pendulum Wars later face against the locust horde determined to destroy humanity. Supergirl must become the War Angel.
Crossover - Gears of War & Supergirl - Rated: T - English - Adventure/Sci-Fi - Chapters: 21 - Words: 116,483 - Reviews: 86 - Favs: 57 - Follows: 55 - Updated: 6/21 - Published: 6/28/2019 - Marcus F., Anya S., RAAM, Kara D./Supergirl
Brainy's Police Box Prank by Hoomanbeans
When a blue box appears in National City, naturally Kara is concerned. The Doctor on the other hand, is equally puzzled by a piece of graffiti that has appeared on the side of the TARDIS. Oneshot.
Crossover - Doctor Who & Supergirl - Rated: K+ - English - Sci-Fi/Romance - Chapters: 1 - Words: 2,290 - Favs: 2 - Follows: 2 - Published: 6/8 - [10th Doctor, Rose T.] [Alex D., Kelly O.] - Complete
Heart of Steel- Volume I: Up, Up and Away by WilyGryphon reviews
Kara Zor-El's pod crashes on Destiny Islands, where she is taken in as the adoptive sister of Sora. When the Heartless consume the Islands, Sora and Kara set out on their adventure together, to find Riku and Kairi and to make sure no other worlds fall to darkness. (Cross-posted on AO3)
Crossover - Kingdom Hearts & Supergirl - Rated: T - English - Adventure/Family - Chapters: 27 - Words: 144,200 - Reviews: 45 - Favs: 71 - Follows: 71 - Updated: 6/4 - Published: 2/23/2020
Super Snowbarry by Zach-Morse-117 reviews
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.
Crossover - Flash & Supergirl - Rated: T - English - Sci-Fi - Chapters: 12 - Words: 26,982 - Reviews: 25 - Favs: 64 - Follows: 61 - Updated: 6/2 - Published: 5/19/2021 - Barry A./The Flash, Dr. Caitlin S., Kara D./Supergirl, Alex D.
What's the Hold Up? by Takara Phoenix
No powers AU - Alex is invited to her ex's wedding and she drags Kara along to Gotham. Before the wedding day, they're meeting Maggie and her fiance Renee at a bar owned by Renee's ex Kate. Kate/Kara
Crossover - Supergirl & Batwoman - Rated: T - English - Romance/Humor - Chapters: 1 - Words: 5,195 - Favs: 11 - Follows: 3 - Published: 6/1 - [Kara D./Supergirl, Kate K./Batwoman] [Alex D., Kelly O.] - Complete
Tryhards by T0rti
Alex Danvers fully expected to wipe the floor with whatever unfortunate squirts had to face her, Ruby, and Kara in the laser tag arena. But those weren't squirts... And why did they act a concerning amount like herself?
Crossover - Agents of S.H.I.E.L.D. & Supergirl - Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 4,510 - Favs: 1 - Follows: 1 - Published: 5/27 - Skye/Daisy J., Lance H., Bobbi M., Alex D. - Complete
Friends, six femmes et la vie by irrealite reviews
Crossover Friends avec personnages de OUAT, Supergirl et Rizzoli&Isles. 6 amies. Regina, cuisinière, vivant en colocation avec Maura, médecin légiste. De l'autre côté du couloir, Emma, garante de caution, vit en colocation avec Kara une journaliste et écrivaine. La grande soeur de Regina, Lena, scientifique & PDG, vit de l'autre côté de la rue. Et la détective Jane.
Crossover - Once Upon a Time & Supergirl - Rated: T - French - Romance/Friendship - Chapters: 28 - Words: 136,052 - Reviews: 80 - Favs: 23 - Follows: 15 - Updated: 5/27 - Published: 5/25/2022 - [Emma S., Regina M./The Evil Queen] [Kara D./Supergirl, Lena L.]
It’s always been you by DarhkPrincess
Because of your size you’ve always been insecure and even with your best friends Diana prince ( Wonder Woman) and Alex Danvers in your ear telling you your beautiful you always had your doubts, when you catch your girlfriend cheating you realize it’s time to go for what your really want and who
Crossover - Wonder Woman & Supergirl - Rated: M - English - Romance/Drama - Chapters: 3 - Words: 5,772 - Favs: 3 - Follows: 1 - Published: 5/25 - [Diana/Wonder Woman, OC] Alex D., Maggie S.
Legacies by AllyBP reviews
Oliver Queen has been back to Star City for only a few weeks, but deeply focused on his mission until he finds out a lot happened in the last 5 years and there's a new hero around that gets his attention in a way he wasn't expecting. Arrow season1 / Supergirl season 1 - same Earth Rated M (slightly)
Crossover - Arrow & Supergirl - Rated: M - English - Adventure/Romance - Chapters: 5 - Words: 18,813 - Reviews: 4 - Favs: 10 - Follows: 7 - Updated: 5/23 - Published: 5/15 - Oliver Q./Arrow/Green Arrow, Tommy M., John D./Spartan, Kara D./Supergirl
The Daxamite Ninja and the Kryptonian Lady by Mach9330 reviews
After defeating Sasuke and taking away chakra from humanity, Naruto discovers he isn't even completely human, but is instead a member of the Daxamite Royal family. Quickly growing tired of the Daxamites, he escapes to Earth when Krypton explodes and finds himself in the care of Kara Zor-El.
Crossover - Naruto & Supergirl - Rated: M - English - Chapters: 9 - Words: 71,410 - Reviews: 331 - Favs: 1,440 - Follows: 1,692 - Updated: 5/21 - Published: 6/17/2021 - Naruto U., Kara D./Supergirl, Lena L.
New Justice: Madness of the League by CharmedMilliE- Karry Master reviews
Summer 2022 and in Gotham the Gotham heroes are dealing with madness brought on by relatives of Batman. The rest of the league is enjoying a somewhat quiet summer though.
Crossover - Flash & Supergirl - Rated: T - English - Chapters: 6 - Words: 41,711 - Reviews: 27 - Favs: 14 - Follows: 7 - Updated: 5/20 - Published: 2/19 - OC, Kara D./Supergirl
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: 134 - Follows: 116 - Updated: 5/18 - Published: 2/25/2020 - [Oliver Q./Green Arrow, Kara D./Supergirl] [Barry A./The Flash, Sara L./White Canary] - Complete
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: 3421 - Favs: 1,645 - Follows: 1,435 - 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: 10 - 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: 44 - 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: 12,829 - Reviews: 3 - Favs: 10 - Follows: 8 - Updated: 5/6 - Published: 2/7 - Oliver Q./Arrow/Green Arrow, Sara L., Barry A., Kara D./Supergirl
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