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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: 56 - Favs: 43 - Follows: 36 - Updated: 55m - Published: 9/16/2021 - [Dr. Caitlin S., Captain America/Steve R.] Cisco R., Baron Zemo
Second Chances: Kid Flash 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: 23 - Words: 23,089 - Reviews: 13 - Favs: 16 - Follows: 14 - Updated: 13h - Published: 1/6 - [Wally W., Linda P.] Felicity S., Jennifer P.
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: 87 - Follows: 80 - Updated: 17h - Published: 7/3/2021 - [Barry A./The Flash, Skye/Daisy J.] Savitar, P. Coulson - Complete
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: 1 - Words: 3,985 - Reviews: 2 - Favs: 5 - Follows: 5 - Published: 17h - Barry A./The Flash, Cisco R., P. Coulson, Skye/Daisy J.
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: 25 - Words: 34,176 - Reviews: 2 - Favs: 3 - Follows: 3 - Updated: 21h - Published: 8/9 - Spider-Man/Peter Parker, Barry A./The Flash
Scarlet Spider and Speedster (BRANCH of F&SM) by What If Universe reviews
What if instead of friends, Barry Allen and Peter Parker were brothers? But when Nora was murdered by Eobard Thawne, they were separated when Peter was only a baby. Peter was adopted by the Parker's, and Barry was adopted by Joe West when the Parker's left. As the years went on, Barry never gave up on finding Peter, but things change when he was on a trip and a spider bit him.
Crossover - Spider-Man & Flash - Rated: T - English - Parody/Drama - Chapters: 42 - Words: 154,302 - Reviews: 108 - Favs: 86 - Follows: 83 - Updated: 8/31 - Published: 1/27 - [Peter P./Spider-Man, Mary Jane W.] May P., Barry A./The Flash
The Next Generation : Book 4 of the Spiderverse by What If Universe reviews
It has been over a decade since Crisis. The Justice League on Earth-Prime have all moved on and have all started to raise their families in this crazy new world. But this world is showing to have many more challenges for the next generation. New villains rising from the ashes, and there are a few secrets within these families that will change everything they thought was once true.
Crossover - Marvel & Flash - Rated: T - English - Mystery/Adventure - Chapters: 43 - Words: 167,053 - Reviews: 51 - Favs: 27 - Follows: 27 - Updated: 8/31 - Published: 10/23/2021 - [P. Parker/Spider-Man, Dr. Caitlin S., Killer Frost] OC
Another Life Another Earth by Artemis235
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!
Crossover - Flash & Supergirl - Rated: K - English - Drama - Chapters: 3 - Words: 4,112 - Favs: 2 - Follows: 2 - Updated: 8/31 - Published: 8/30 - Barry A./The Flash, Kara D./Supergirl
Heroes Collide by UltraPhantom reviews
Barry, Oliver, Kara, and the rest of the heroes had just defeated the Dominator Invasion. They can finally rest...not. After the battle, the Dominators had one last trick that sent the Trinity into the MCU. They meet other heroes as they try their best to get them home. Along the way, the Trinity decided to help their world with their own threats. AMCU: 1
Crossover - Flash & Avengers - Rated: T - English - Adventure/Drama - Chapters: 4 - Words: 7,554 - Reviews: 28 - Favs: 34 - Follows: 43 - Updated: 8/31 - Published: 10/24/2021 - Barry A./The Flash, Oliver Q./The Arrow, Captain America/Steve R., Iron Man/Tony S.
The Darkness Within by Artemis235
What if Ben Lockwood succeeded in repealing the Alien Amnesty Act? With Hayley and President Baker knowing her identity, will Kara's family be safe? Takes place during S4 of Supergirl. ENJOY!
Crossover - Flash & Supergirl - Rated: K - English - Angst - Chapters: 2 - Words: 4,225 - Favs: 1 - Follows: 1 - Published: 8/30 - Barry A./The Flash, Kara D./Supergirl - Complete
Riding the Lightning! by Elyred3516 reviews
(NOT FOR WEST-ALLEN FANS) A series of our very own Scarlet Speedster going on a sexual hazardous rampage with countless woman across the multiverse (Barry multi)
Crossover - Flash & Supergirl - Rated: M - English - Romance/Humor - Chapters: 4 - Words: 24,918 - Reviews: 22 - Favs: 25 - Follows: 19 - Updated: 8/30 - Published: 1/28 - [Barry A./The Flash, Kara D./Supergirl, Lena L.]
Agent S : No Way Home (BRANCH of Agent S) by What If Universe reviews
In one universe, Peter Parker-Coulson managed to stop Mysterio and was dragged into a Crisis. But in this universe, Peter's identity was revealed, sending everything into a spiral as his team was dragged down with him. Peter goes to Dr. Strange for help, thinking that he found a way to fix things. But things quickly got out of hand when they tampered with the multiverse.
Crossover - Spider-Man & Flash - Rated: T - English - Parody/Family - Chapters: 2 - Words: 4,526 - Reviews: 5 - Favs: 8 - Follows: 6 - Updated: 8/29 - Published: 8/22 - Peter P./Spider-Man, Eobard T./Impostor Harrison W./Reverse-Flash, Savitar, Killer Frost
What is worse than human? by Bl4ckHunter reviews
One-shot story. Crack fic. When Stefan shuts his humanity off as he gives into Caroline's terms in 6x15, coincidentally, Iris West goes into Mystic Falls to get a scoop on the mysterious things going on here. Not for fans of Iris West.
Crossover - Flash & Vampire Diaries - Rated: T - English - Humor - Chapters: 1 - Words: 1,222 - Reviews: 2 - Favs: 3 - Follows: 1 - Published: 8/28 - Complete
Marvels The Flash (Avengers 1) by G4dgetJunior reviews
What If A Certain Speedster Existed In the MCU? Could Certain Events Change? What Would Happen Differently? Eventual Barry X Natasha, Steve X Kara. Reviews Are Welcome.
Crossover - Flash & Avengers - Rated: T - English - Hurt/Comfort/Sci-Fi - Chapters: 5 - Words: 4,579 - Reviews: 8 - Favs: 25 - Follows: 30 - Updated: 8/28 - Published: 4/24 - Barry A./The Flash, Cisco R., Captain America/Steve R., Erik S.
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: 19 - Words: 111,167 - Reviews: 88 - Favs: 25 - Follows: 18 - Updated: 8/28 - Published: 11/26/2019 - Barry A./The Flash, Cisco R., Kara D./Supergirl
Anniversary Threesome by changingdestiny40
For their sixth anniversary, Patty presents Barry with the opportunity to enjoy a heated threesome with herself and a certain sexy and redhead female Avenger and close friend of theirs, providing the 3 of them with an evening of passion they'll never forget.
Crossover - Flash & Avengers - Rated: M - English - Romance/Friendship - Chapters: 1 - Words: 2,501 - Favs: 2 - Follows: 3 - Published: 8/27 - [Barry A./The Flash, Patty S., Black Widow/Natasha R.] - Complete
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: 14 - Words: 59,173 - Reviews: 77 - Favs: 22 - Follows: 17 - Updated: 8/21 - Published: 10/13/2020 - Barry A./The Flash, OC, Kara D./Supergirl
the PJ masks meet The Flash by Happy New Year 2022
The title says it all! (this crossover will be on hold)
Crossover - PJ Masks & Flash - Rated: K - English - Adventure - Chapters: 3 - Words: 2,805 - Published: 8/18 - Barry A./The Flash
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: 35 - Words: 73,947 - Reviews: 2 - Favs: 5 - Follows: 3 - Updated: 8/18 - Published: 1/6 - Dr. Caitlin S., Barry A./The Flash, Oliver Q./The Arrow, Sara Lance/White Canary
BETTER ANGELS (KARRY SUPERFLASH) by KingMaster2526 reviews
¿alguna vez te han dicho que eres un ángel?- pregunto Barry dulcemente a lo que Kara nego juguetonamente- pues lo eres, Kara Danvers o Kara Zor-El. porque ese es tu nombre alienigena, porque eres una alienigena y creo que eso es genial- ambos rieron fuertemente mientras se perdían en la mirada del otro -y tu el mio, Barry Allen- respondió Kara con una dulce sonrisa SUPERFLASH
Crossover - Flash & Supergirl - Rated: T - Spanish - Romance/Family - Chapters: 12 - Words: 73,722 - Reviews: 6 - Favs: 8 - Follows: 8 - Updated: 8/15 - Published: 12/30/2021 - Barry A./The Flash, Cisco R., Kara D./Supergirl, Alex D.
A Summary of Pre-Finale Events by Cer1992 reviews
A summary of key events that occur after "Alternate Events 4: Multiversal Clashes" leading up to the Crisis finale of this series.
Crossover - Flash & Smallville - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 9,056 - Reviews: 7 - Favs: 4 - Follows: 9 - Updated: 8/12 - Published: 7/6 - Barry A./The Flash, Oliver Q./The Arrow, Clark K./Superman, Conner K./Superboy - Complete
Of Speedsters and Forces by Aragorn II Elessar reviews
A new enemy sends Barry, Wally, Jesse, Jay and Hunter into the Speed Force through which they discover new allies and worlds. Part 4 of the 'Heroes' series. Arrowverse/MCU/Smallville/DCEU/X-Men/LOTR crossover.
Crossover - X-Men: The Movie & Flash - Rated: T - English - Adventure/Sci-Fi - Chapters: 15 - Words: 45,211 - Reviews: 165 - Favs: 64 - Follows: 37 - Updated: 8/9 - Published: 2/29/2020 - Charles Xavier, Apocalypse/En Sabah N., Barry A./The Flash, Wally W. - Complete
Beautiful by CharmedMilliE- Karry Master reviews
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.
Crossover - Flash & Supergirl - Rated: T - English - Family - Chapters: 23 - Words: 135,542 - Reviews: 125 - Favs: 48 - Follows: 42 - Updated: 8/7 - Published: 8/25/2019 - [Barry A./The Flash, Kara D./Supergirl] [Dr. Caitlin S., OC]
The Xena & Gabriella Talk Show Arrowverse Interview by changingdestiny40 reviews
In light of the recent news regarding "The Flash" cancellation famed warriors, heroines, and part time talk show hosts Xena and Gabriella receive the opportunity to interview the majority of the Arrowverse's heroic leads regarding the cancellation of their franchise, what went wrong with it, and how the heroes feel regarding the years long journey they provided for its audiences.
Crossover - Xena: Warrior Princess & Flash - Rated: K+ - English - Chapters: 1 - Words: 5,747 - Reviews: 1 - Favs: 4 - Follows: 1 - Published: 8/6 - Gabrielle, Xena, Barry A./The Flash, Oliver Q./The Arrow - Complete
The Flash Annual by jason429
Peter Parker pays Barry Allen a quick visit on Central City as things ramp up on the road the Battleworld. One-Shot
Crossover - Spider-Man & Flash - Rated: M - English - Friendship/Hurt/Comfort - Chapters: 1 - Words: 719 - Favs: 2 - Follows: 1 - Published: 8/3 - Peter P./Spider-Man, Barry A./The Flash - Complete
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