Flash and Avengers Crossovers
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Whatever It Takes by Arrowverse Fan 217 reviews
Sequel to 'A Legend Never Dies'. Six months after ending a threat, all is peaceful. But that peace is ended when deadly forces old and new rise to destroy the Multiverse. Now, Jason Stark and his team must fight for there lives and join forces with heroes, villains and anti-heroes from across space and time to fight the Anti-Monitor, and a deadly new foe. Part 2 of "Worlds Greatest
Rated: T - English - Adventure/Friendship - Chapters: 88 - Words: 308,226 - Reviews: 820 - Favs: 21 - Follows: 19 - Updated: 8/13 - Published: 2/29
Avengers: Crisis on Earth-X by Raptor2216 reviews
12th story of the Worlds Collide Series. Barry and Wanda are finally ready to have a second wedding, one for all their friends to attend. But, when the time comes, evil versions of our favorite heroes from Earth-X attack, plunging our heroes into a fight to save their planet and to liberate another from an evil regime. MACU version of Crisis on Earth-X.
Rated: T - English - Sci-Fi/Friendship - Chapters: 18 - Words: 38,784 - Reviews: 197 - Favs: 60 - Follows: 50 - Updated: 8/11 - Published: 1/4 - [Barry A./The Flash, Wanda M./Scarlet Witch] Oliver Q./The Arrow, Captain America/Steve R. - Complete
Fall of Cicada by Raptor2216 reviews
8th story of the Worlds Collide Series. Team Flash has changed, with Barry's departure, and the arrival of Pietro, Steve, and Sam. The new Team Flash hopes that things will calm down after everything that has happened. But and old enemy isn't done yet. Watch as the new Team Flash bands together to end the threat of Cicada once and for all.
Rated: K+ - English - Sci-Fi/Friendship - Chapters: 10 - Words: 16,105 - Reviews: 76 - Favs: 58 - Follows: 47 - Updated: 8/11 - Published: 10/18/2019 - Dr. Caitlin S., Cisco R., Captain America/Steve R., Pietro M./Quicksilver - Complete
Speedster and a Witch by spideyfan1113 reviews
Barry Allen, Caitlin Snow, Wanda and Pietro Maximoff were in the same H.Y.D.R.A. camp when the Avengers attacked, after that Barry and Caitlin try to save their friends from the grip of Ultron. And try and make up for the wrongs they had in the past. (Part 1 of The Arrowverse in the MCU)
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 1,645 - Reviews: 1 - Favs: 5 - Follows: 5 - Published: 7/25 - Barry A./The Flash, Killer Frost, Wanda M./Scarlet Witch, Pietro M./Quicksilver
United we stand by Stand with Ward and Queen reviews
In a world where the Arrowverse and MCU happen on the same earth, Thanos snaps his fingers at the exact moment Barry goes into the Speed Force after defeating Savitar. A year passes in which deals with their losses and an old friend returns, determined to undo what has been done.
Rated: T - English - Angst/Sci-Fi - Chapters: 8 - Words: 21,792 - Reviews: 117 - Favs: 90 - Follows: 100 - Updated: 7/20 - Published: 5/8 - Barry A./The Flash, Oliver Q./The Arrow, Black Widow/Natasha R., Captain America/Steve R.
Gone in a Flash by waferboi reviews
Team Flash finds themselves stuck in a new reality following another fight with the Reverse Flash.
Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 17,763 - Reviews: 27 - Favs: 45 - Follows: 56 - Updated: 7/14 - Published: 3/29 - Barry A./The Flash, Cisco R., Captain America/Steve R., Iron Man/Tony S.
Struck by Lightning by alpha087 reviews
Hayley Parker is Hydra's answer to Captain America. When the plane goes down, she gets frozen as well. Found and woken 4 years before Cap, she spends two years at SHIELD before being sent off to "rehabilitate". Instead, Hayley finds herself in Starling City as the newest member of Team Arrow. When she moves to Central City, she meets Barry Allen and realizes that once you're struck
Rated: T - English - Sci-Fi - Chapters: 22 - Words: 37,488 - Reviews: 9 - Favs: 27 - Follows: 27 - Updated: 7/13 - Published: 10/14/2018 - Barry A./The Flash, OC
Crisis on Infinte Earths by Superfluffy1022
In the beginning, there was only one...a single black infinitude. Then the infinitude found release, and finally, the darkness broke, filling it with life. With the Multiverse. Every existence multiplied by possibility, and spread out before space and time in infinite measure. Now the Multiverse is about to come under attack, the crisis is upon us all.
Rated: K+ - English - Friendship/Adventure - Chapters: 7 - Words: 20,933 - Favs: 4 - Follows: 4 - Updated: 7/11 - Published: 6/1 - Complete
Speedster and the Spider by SuperFlarrowLover reviews
(originally by PhoenixFire463 adopted by me) When Peter Parker and his best friend, Ned, stumble upon a strange portal, what they find on the other side is even stranger. They arrive in a place called "Central City" where nobody has ever heard of the the Avengers. Who is "The Flash"?
Rated: K+ - English - Friendship/Humor - Chapters: 5 - Words: 3,004 - Reviews: 4 - Favs: 19 - Follows: 26 - Updated: 6/19 - Published: 6/11 - Barry A./The Flash, Spider-Man/Peter Parker, Ned
Torn between two timelines by Stand with Ward and Queen reviews
Sequel to 'Crisis on two earths'. A month after the defeat of Thanos, Team Flash has an encounter with an enemy that sends Barry into an entirely different timeline. Stranded, Barry has to contend with a more selfish version of himself as he tries to find a way back while his loved ones attempt to find him.
Rated: T - English - Sci-Fi/Family - Chapters: 12 - Words: 26,965 - Reviews: 191 - Favs: 106 - Follows: 89 - Updated: 6/9 - Published: 12/12/2019 - Barry A./The Flash, Iris W., Cisco R., Wanda M./Scarlet Witch - Complete
Supergirl of Asgard - Part 4 - The Arrowverse Comes Knocking by Sirya Ebony Black reviews
As much as Barry Allen wants to go back in time to save his mother from Thawne, he has a promise to fulfill to Kara Aurora Stark Friggasdotter Zor El, commonly known as Supergirl. With the ability to go to Earth 38, it's time to reunite Supergirl and Superman.
Rated: K+ - English - Drama/Sci-Fi - Chapters: 6 - Words: 76,410 - Reviews: 15 - Favs: 60 - Follows: 61 - Updated: 5/30 - Published: 3/14 - Barry A./The Flash
Blood feud by Bl4ckHunter reviews
Sequel to "Venomous Inheritance". Tied to Aragorn II Elessar's "The Devil and the Hood" series. As an old friend of Caitlin goes off the deep end, another friend of Barry's is haunted by an enemy from the past, making Barry wonder how far he will have to go to save him.
Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 14,279 - Reviews: 5 - Favs: 6 - Follows: 7 - Updated: 5/20 - Published: 5/19 - Barry A./The Flash, Dr. Caitlin S., Felicity S., Harrison Wells - Complete
Battle of the Worlds by DJLStorme reviews
Barry Allen had just returned from earth 38 and is now waiting for the long awaited battle against the speedster villain Zoom. As they wait there is a sudden breach in the S.T.A.R Labs. which suddenly drops two teenagers on their earth from different earth. And after that there are different breaches all over the Globe. Over this, one of said teenager is a Super-Hero on other Earth
Rated: T - English - Adventure/Friendship - Chapters: 17 - Words: 61,725 - Reviews: 8 - Favs: 48 - Follows: 50 - Updated: 5/16 - Published: 2/2 - Barry A./The Flash, Oliver Q./The Arrow, Iron Man/Tony S., Spider-Man/Peter Parker
Venomous Inheritance by Bl4ckHunter reviews
Tied to Aragorn II Elessar's "The Devil and the Hood" series. Peter finds a mysterious legacy from his father but soon enough finds out that it brings more danger than he had thought as everyone races to make sure they can protect himself and everyone else from this legacy that threatens everyone around.
Rated: T - English - Adventure/Crime - Chapters: 7 - Words: 11,009 - Reviews: 11 - Favs: 9 - Follows: 10 - Updated: 5/15 - Published: 5/1 - Complete
Messing with the wrong Scarlet Witch and Flash by Phillipe363 reviews
Having arrived on this earth 1 from another timeline Wanda confronts Iris West who has with Eobard Thawne kidnapped her version of Barry leading to a confrontation.
Rated: T - English - Adventure/Suspense - Chapters: 1 - Words: 1,117 - Reviews: 13 - Favs: 15 - Follows: 10 - Published: 2/6 - [Barry A./The Flash, Wanda M./Scarlet Witch] Iris W., Eobard T./Impostor Harrison W./Reverse-Flash - Complete
The Flash vs Spider-Man by What If Universe reviews
(Sequel to The Other Half) years after Thanos' defeat, Eobard Thawne has taken Otto, Venom and kidnapped Peter and Michelle's daughter. Now Peter is off with help Daisy to find her. While on Barry Allen's earth, Venom has taken Cisco and Barry thinks Spider-Man did it. Peter believes Flash kidnapped them. Both heroes fight the other not knowing their enemies are planning something.
Rated: K+ - English - Fantasy/Sci-Fi - Chapters: 5 - Words: 6,128 - Reviews: 1 - Favs: 9 - Follows: 8 - Updated: 1/25 - Published: 10/13/2019 - [Spider-Man/Peter Parker, Michelle J./MJ] [Barry A./The Flash, Dr. Caitlin S.] - Complete
Crisis by What If Universe reviews
Sequel to Whatelseworld. Last year, the multiverse had a visitor named the Monitor who warned them of a crisis coming to end all life. Now the Avengers, SHIELD, the heroes of Earth-1 must join forces again to save their universes from being destroyed, with help from a new member who has traveled back in time to help stop it. Is it enough, or will all of reality be destroyed?
Rated: K+ - English - Sci-Fi/Adventure - Chapters: 8 - Words: 24,412 - Reviews: 6 - Favs: 12 - Follows: 11 - Updated: 1/24 - Published: 12/16/2019 - Barry A./The Flash, Oliver Q./The Arrow, Spider-Man/Peter Parker, Dr. Strange/Stephen S. - Complete
Converging Point by x. I Got You First .x
The Convergence is the planet on which roughly two-hundred people live. They are born, they go to school, they have jobs, and they hang with friends. There is magic in these parts but also humanity. And, of course, drama - a sh*tton of drama. / CURRENT CHAPTER - Ch. 1: Harrison Wells and Leopold Fitz have a great rivalry.
Rated: K - English - Humor/Friendship - Chapters: 1 - Words: 1,011 - Favs: 1 - Published: 1/23 - Harrison Wells
Worlds Collide, Heroes Unite by Raptor2216 reviews
7th Story of the Worlds Collide series. In the aftermath of the Decimation, Barry, Oliver, and the Avengers struggle to cope with their failure. However, when Nora & Stephen arrive from the future, they bring with them a new sense of hope. Now, heroes from across the multiverse & across time will unite to try to regain the Infinity Stones, reverse the Decimation, and defeat Thanos.
Rated: T - English - Adventure/Sci-Fi - Chapters: 36 - Words: 83,554 - Reviews: 382 - Favs: 127 - Follows: 103 - Updated: 1/4 - Published: 8/22/2019 - Barry A./The Flash, OC, Oliver Q./The Arrow, Captain America/Steve R. - Complete
When Worlds Collide by What If Universe reviews
(Sequel to Spider-Man vs Flash) years after they met Peter and MJ, also known as Spider-Man and Spider-Woman they are invited Barry and Caitlin's wedding, and their vacation away from home gets interrupted by Nazis and doppelgängers.
Rated: K+ - English - Adventure/Suspense - Chapters: 7 - Words: 29,243 - Reviews: 5 - Favs: 11 - Follows: 9 - Updated: 12/16/2019 - Published: 11/1/2019 - [Barry A./The Flash, Dr. Caitlin S.] [Spider-Man/Peter Parker, Michelle J./MJ] - Complete
Crisis on two earths by Stand with Ward and Queen reviews
Sequel to 'Torn between two earths'. A year and a half after the defeat of Savitar, a new threat forces The Avengers to reunite. Avengers from both earths must come together to stop Thanos from wiping out half the life in the universe. Can they do it? Only time will tell.
Rated: T - English - Adventure/Angst - Chapters: 23 - Words: 61,947 - Reviews: 313 - Favs: 200 - Follows: 169 - Updated: 12/12/2019 - Published: 5/8/2019 - Barry A./The Flash, Dr. Caitlin S., Captain America/Steve R., Hawkeye/Clint B. - Complete
War on Infinite Earths: Infinity by AntiquePig reviews
The Multiverse is on the verge of destruction. Cisco Ramon senses of source of power strong enough to save the universe. To obtain this power, Barry Allen jumps to this universe, but finds it is facing a catastrophe of its own in the form of Thanos. Barry must now join with the Avengers to not only save the multiverse, but stop the Mad Titan from killing half of everyone.
Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 13,551 - Reviews: 16 - Favs: 79 - Follows: 81 - Updated: 11/21/2019 - Published: 12/21/2018 - Barry A./The Flash, Cisco R., Thor, Dr. Strange/Stephen S.
Breach malfunction by Stand with Ward and Queen reviews
One shot taking place between 'A wedding of two earths' and 'Crisis on two earths'. When Cisco's powers act weird, it leads to an embarrassing situation.
Rated: T - English - Humor - Chapters: 1 - Words: 451 - Reviews: 10 - Favs: 23 - Follows: 16 - Published: 10/7/2019 - Cisco R. - Complete
flash the fastest avenger: iris west's story by AntBoy1 reviews
In episode 17 season 4 of flash when iris runs on the water to create a tidal wave to put out the fire she gets sent into another universe. The avengers make her a deal that they will help her go home if she helps them stop Loki. T rated because I do not want get it wrong and get in trouble. Thanks for over 900 views.
Rated: T - English - Adventure/Friendship - Chapters: 9 - Words: 10,378 - Reviews: 11 - Favs: 16 - Follows: 13 - Updated: 10/4/2019 - Published: 5/25/2019 - Iris W., Captain America/Steve R., Iron Man/Tony S. - Complete
Avengers of the Future by Raptor2216 reviews
6th story of the Worlds Collide series. Decades in the future, Earth-1 has never fully recovered from the Decimation. In the midst of this, a new threat rises, and Stephen and Nora, the children of the Flash, need to assemble a new team to stop it. As they assemble the children of Earth-1's greatest heroes, they learn they may have the power to reverse the Decimation.
Rated: K+ - English - Adventure/Sci-Fi - Chapters: 16 - Words: 30,884 - Reviews: 76 - Favs: 68 - Follows: 56 - Updated: 8/22/2019 - Published: 6/19/2019 - OC, Eobard T./Impostor Harrison W./Reverse-Flash, OC - Complete
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