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Fastest Alive by blackflashingfox1
I am the fastest alive. When I was a child, I saw mother killed by something impossible. Then an accident made me the impossible. To the outside world I'm an ordinary high school student but secretly, I use my speed to fight crime. And one day I'll find who killed my mother and get justice. I own nothing. M to be safe
Crossover - Flash & Quintessential Quintuplets/五等分の花嫁 - Rated: M - English - Crime/Adventure - Chapters: 1 - Words: 1,571 - Favs: 1 - Follows: 2 - Published: 10/15 - OC, Miku N.
A united front by Bl4ckHunter reviews
One-shot story. Tony tries to convince Oliver, Barry, Clark and Kara to sign the Accords but they form an united front against him. Not for supporters of Sokovia Accords or Team Iron Man.
Crossover - Flash & Avengers - Rated: T - English - Angst - Chapters: 1 - Words: 1,515 - Reviews: 12 - Favs: 13 - Follows: 8 - Published: 10/11 - Complete
Future Foundation (BRANCH of F&SM) by What If Universe reviews
Time is like a river: cause enough ripples and you could change the tide. What if the Flash was never born, in turn never creating the Reverse Flash? What if one simple change altered the universe forever? Welcome to a reality that shows one simple change can alter the course of everything. Follow us, as we journey farther into the unknown, and ponder the question: "What if…?"
Crossover - Flash & Fantastic Four - Rated: T - English - Humor/Parody - Chapters: 27 - Words: 76,706 - Reviews: 14 - Favs: 37 - Follows: 37 - Updated: 10/11 - Published: 9/3/2021 - Franklin R., Invisible Woman/Susan S., Spider-Man/Peter P., Valeria R.
The Hitchhiker's Guide to the Millma Verse by Captain Sigma- Karry Co-Master reviews
With so many worlds in the multiverse, Hitchhiking Kayla enlists Mutant Cisco to explore, finding potential friends and enemies along the way. Continuing story. Part of the Millma Verse.
Crossover - Flash & Supergirl - Rated: K - English - Adventure/Sci-Fi - Chapters: 20 - Words: 119,458 - Reviews: 96 - Favs: 27 - Follows: 19 - Updated: 10/9 - Published: 11/26/2019 - Barry A./The Flash, Cisco R., Kara D./Supergirl
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: 11 - Words: 23,018 - Reviews: 19 - Favs: 41 - Follows: 44 - Updated: 10/4 - Published: 5/19/2021 - Barry A./The Flash, Dr. Caitlin S., Kara D./Supergirl, Alex D.
White Flash - The Wedding by Flanary74 reviews
It's time for Barry and Sara to get married. Sequel to Crisis on Infinite Earths - White Flash.
Crossover - Flash & Legends of Tomorrow - Rated: T - English - Romance/Friendship - Chapters: 1 - Words: 1,345 - Reviews: 2 - Favs: 2 - Published: 10/2 - Barry A./The Flash, Sara Lance/White Canary
SuperEarth: Fate by Captain Sigma- Karry Co-Master reviews
With two fragments of the Loom of Fate discovered and safe off-world, John Constantine, Raven and Charlie/Clotho must try and find the last piece before the Sister of Fates can return to Earth. Meanwhile, Kara and Barry find unexpected adventure when they're faced with becoming parents - something Barry takes to with ease, much to Kara's amusement. Part of the Millma Verse.
Crossover - Flash & Supergirl - Rated: K+ - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 23,807 - Reviews: 13 - Favs: 6 - Follows: 2 - Updated: 10/1 - Published: 9/10 - Barry A./The Flash, Ray Palmer, Kara D./Supergirl
Karry Dark by Raizen1125 reviews
Challenge from KarryMaster-Millie. Stuck on a new Earth without a way home, Barry has had to adapt to a new life. His new life is off to a rough start, but together with the DEO and Kara, he will become an even greater hero than before, though the changes he will undergo might be...Dark. A story of redemption. Barry/Kara. Now Earth Zero of the Millmaverse!
Crossover - Flash & Supergirl - Rated: T - English - Romance/Adventure - Chapters: 8 - Words: 21,640 - Reviews: 40 - Favs: 114 - Follows: 122 - Updated: 9/29 - Published: 5/6/2019 - [Barry A./The Flash, Earth-X Kara/Overgirl] Kara D./Supergirl
An Arsenal Of Pleasure by changingdestiny40 reviews
An AU in which Roy gets it on with multiple ladies across the Arrowverse while they're more than willing to receive as much as he's more than willing to give. And Thea's perfectly alright with it. [Roy Harper/Harem]
Crossover - Flash & Arrow - Rated: M - English - Chapters: 4 - Words: 9,803 - Reviews: 2 - Favs: 16 - Follows: 21 - Updated: 9/24 - Published: 1/23/2021 - [Roy H./Arsenal, Thea Q., Black Canary/Earth-1 D. Laurel Lance, Dr. Caitlin S.]
Second Chances: Kid Flash- Rough Draft by Lauriverfanboy1 reviews
My name is Wally West. For years I've traveled, trying to find my place in a world of heroes, trying to find peace. But after getting struck by lightning in a new world, I think I've finally found my place as I become the hero I was always meant to be. I am Kid Flash. Part 9 of Second Chances.
Crossover - Flash & Black Lightning - Rated: T - English - Chapters: 25 - Words: 24,280 - Reviews: 13 - Favs: 17 - Follows: 13 - Updated: 9/23 - Published: 1/6 - [Wally W., Linda P.] Felicity S., Jennifer P. - Complete
Morning Routines by KitKatt0430
Oliver moves to Central City after his brief stint as Heir to the Demon. And, for once, he's trying to focus on his own happiness. And Barry's. (Post S3 Arrow/S1 Flash AU)
Crossover - Flash & Arrow - Rated: T - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 5,178 - Favs: 6 - Follows: 3 - Published: 9/23 - [Barry A./The Flash, Oliver Q./Arrow/Green Arrow] - Complete
Sorrow Souls by antisocialmike reviews
Based after the series finale of Arrow & if Thea said no to Roy's proposal & After the Flash defeats Eva. My take on some things. Can two of the most damaged people anybody could know, help each other heal & find peace within themselves as well as with the world? (Rated M Later)
Crossover - Flash & Arrow - Rated: T - English - Romance/Hurt/Comfort - Chapters: 9 - Words: 38,042 - Reviews: 7 - Favs: 12 - Follows: 16 - Updated: 9/22 - Published: 4/1 - Barry A./The Flash, Dr. Caitlin S., John D./Spartan, Thea Q.
Crimson Beginnings by antisocialmike reviews
A Fic Based On The Arrow 4x08 & The Flash 2x08 Crossover Event 'Legends of Yesterday' With Callbacks To 2x08 Of The Arrow as Well.
Crossover - Flash & Arrow - Rated: T - English - Romance/Drama - Chapters: 2 - Words: 9,223 - Reviews: 6 - Favs: 18 - Follows: 23 - Updated: 9/19 - Published: 12/1/2021 - [Barry A./The Flash, Thea Q.] Oliver Q./Arrow/Green Arrow, Felicity S./Overwatch
Earth 262 by breacher243 reviews
Formally a vigilante know as strike in Star City young Hunter Lance moves to Central City to live a normal life as a CSI when things take a unexpected turn/ DISCLAIMER: I DO NOT OWN THE FLASH OR ARROW JUST A FEW ORIGINAL CHARACTERS.
Crossover - Flash & Legends of Tomorrow - Rated: M - English - Sci-Fi/Hurt/Comfort - Chapters: 36 - Words: 75,461 - Reviews: 2 - Favs: 5 - Follows: 4 - Updated: 9/18 - Published: 1/6 - Dr. Caitlin S., Barry A./The Flash, Oliver Q./The Arrow, Sara Lance/White Canary
A Flash In Time by TerribleWriting101 reviews
Kagome has to do her adventure all over again, but not before she gets sent back to her time just to see flashes of red and yellow leave the shrine. Walking in to see her family dead, what now? Rating may change to M.
Crossover - Inuyasha & Flash - Rated: T - English - Friendship/Romance - Chapters: 4 - Words: 9,943 - Reviews: 3 - Favs: 15 - Follows: 20 - Updated: 9/16 - Published: 5/31/2021 - [Kagome H., Barry A./The Flash]
SHIELD's Finest Heroes by The Batman II reviews
*Full Summary Inside* When Barry Allen, a new Inhuman, is discovered by SHIELD, Coulson and the agents decide to bring him in. However, both the agents and Barry will find that their worlds will be pulled towards one another in unexpected ways as new allies and foes emerge from both sides. Can they stop the threats that come their way? Or will they fail and suffer the consequences?
Crossover - Flash & Agents of S.H.I.E.L.D. - Rated: M - English - Sci-Fi/Angst - Chapters: 5 - Words: 23,600 - Reviews: 10 - Favs: 10 - Follows: 10 - Updated: 9/16 - Published: 9/1 - Barry A./The Flash, Cisco R., P. Coulson, Skye/Daisy J.
The Best Souvenir by awbussiere8
After watching young justice recently (yes I know I'm really late) I think that this is what if would be like if wally was really stuck in the speedforce and if he escaped Im gonna be using the cw flash season 4 episode 1as a reference for this story Also I don't own the rights to young justice the flash or any of the characters in this story just most of the plot.
Crossover - Young Justice & Flash - Rated: M - English - Romance - Chapters: 3 - Words: 3,019 - Favs: 4 - Follows: 3 - Published: 9/12 - [Artemis C./Artemis, Wally W./Kid Flash] Barry A./The Flash
Crisis on Infinite Earths - White Flash by Flanary74 reviews
While on the Vanishing Point, Sara shows the place where Snart died to Barry, and they admit their feelings for each other. And they kiss where Sara had kissed Snart a few years earlier. What will be the differences between this new universe and the one they previously knew?
Crossover - Flash & Legends of Tomorrow - Rated: T - English - Romance/Drama - Chapters: 5 - Words: 5,524 - Reviews: 1 - Favs: 5 - Follows: 5 - Updated: 9/12 - Published: 3/5 - Barry A./The Flash, Sara Lance/White Canary - Complete
Soldier Taken To Task by changingdestiny40 reviews
Sometime following the events of "Felicity vs Iris: Calling Each Other Out", Diggle is the next one to receive a firm dose of reality over his own actions but from both women. (Part 3 of the "Redemption & Recruitment" series)
Crossover - Arrow & Flash - Rated: K+ - English - Friendship - Chapters: 2 - Words: 3,795 - Reviews: 2 - Favs: 5 - Follows: 3 - Updated: 9/7 - Published: 4/1/2021 - Iris W., John D./Spartan, Felicity S./Overwatch - Complete
The Other Side of Lonely by paynesgrey reviews
Fighting alone on the streets of Starling City, the Black Canary could use a little help from a friend. Enter: Cisco Ramon. Laurel Lance x Cisco Ramon. Blackvibe.
Crossover - Flash & Arrow - Rated: M - English - Romance/Crime - Chapters: 5 - Words: 8,921 - Reviews: 3 - Favs: 8 - Follows: 10 - Updated: 9/6 - Published: 7/21/2015 - [Cisco R., Black Canary/Earth-1 D. Laurel Lance] - Complete
Secret Crisis: The Kang Dynasty by jason429 reviews
The time has finally come. No more running. No more hiding. Kang The Conqueror is finally here. A Dynasty is upon the Multiverse. Heroes old and new must band together to face this new powerful threat. But will the heroes of Earth Prime finally meet their match?
Crossover - Avengers & Flash - Rated: M - English - Adventure/Sci-Fi - Chapters: 27 - Words: 37,742 - Reviews: 3 - Favs: 7 - Follows: 4 - Updated: 9/6 - Published: 8/9 - Spider-Man/Peter Parker, Barry A./The Flash - Complete
The Flash & Captain Jake Time War by Laquan 2019-2020-2021-2022 reviews
There back! That's right The CW show The Flash and Disney Junior's Captain Jake and the Neverland Pirates are back together for another adventure. but this time there is no Time when they will have to fast Jake's Past and travel back in time to prevent thing from happening. Can they do it in Time?" You'll just have to wait Find out.
Crossover - Jake and the Never Land Pirates & Flash - Rated: K - English - Adventure/Mystery - Chapters: 10 - Words: 14,330 - Reviews: 1 - Updated: 9/4 - Published: 10/21/2019 - Barry A./The Flash, Jake, Izzy, Cubby
Aftermath by Ronnie Jane
Set immediately after the Elseworlds Crossover. In which, Oliver learns that Barry is telling the truth about his back hurting after he shot him with arrows and does something about it.
Crossover - Flash & Arrow - Rated: T - English - Hurt/Comfort/Romance - Chapters: 1 - Words: 519 - Favs: 4 - Follows: 1 - Published: 9/3 - Barry A./The Flash, Oliver Q./Arrow/Green Arrow - Complete
Captain America and Killer Frost: Fight for Freedom by Raptor2216 reviews
The next entry in the Worlds Collide series. Caitlin and Steve find their lives getting increasingly busy with Barry and Wanda's departure and their own child coming. But when Baron Zemo reveals himself and HYDRA comes forward in force, Caitlin and Steve will find themselves in the fight of their lives as they lead Team Flash. A fight that will threaten everything they hold dear.
Crossover - Flash & Avengers - Rated: K+ - English - Romance/Sci-Fi - Chapters: 9 - Words: 13,021 - Reviews: 58 - Favs: 48 - Follows: 42 - Updated: 9/2 - Published: 9/16/2021 - [Dr. Caitlin S., Captain America/Steve R.] Cisco R., Baron Zemo
Multiverse: Year One by The Batman II reviews
First installment in the Multiverse series. Heartbroken by everything that's happened because of Flashpoint, Barry leaves Earth One and finds a home on Earth 616, home to the Avengers. Barry will soon discover that his new home has great challenges for him. However, that won't stop Barry from fighting for what's right. Will The Scarlet Speedster be able to survive in his new home?
Crossover - Flash & Agents of S.H.I.E.L.D. - Rated: M - English - Sci-Fi/Adventure - Chapters: 27 - Words: 114,182 - Reviews: 124 - Favs: 93 - Follows: 87 - Updated: 9/1 - Published: 7/3/2021 - [Barry A./The Flash, Skye/Daisy J.] Savitar, P. Coulson - Complete
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