1 - 20 of 94 Works in Invasion! Crossover Event (CW DC TV Universe)
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Caitlin shows up at his doorstep unannounced and exhausted. Not to talk, but simply to have company.
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You Should Hate Me by Averageloserlesbian
Fandoms: The Flash (TV 2014), Supergirl (TV 2015), Arrow (TV 2012)
22 Feb 2026
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Barry Allen screwed up and now everyone hates him. It’s better if he stays away from everyone snd tired to find his captured friends by himself.
Kara disagrees.
(I can’t write summaries)
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Takes place during the arrow episode of Invasion! -
Rhapsody in Green by drd1812
Fandoms: Green Lantern (Comics), The Flash (TV 2014), Arrow (TV 2012), Supergirl (TV 2015)
03 Feb 2026
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While hunting for Sinestro, Hal Jordan returns to Earth and meets Team Flash. They and other heroes are soon caught in the crossfire as Earth becomes a battlefield between the Green and Yellow Lanterns.
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Welcome to Earth-89 by TheBringerOfNerds
Fandoms: Justice League - All Media Types, DC: The New Frontier, Wonder Woman (1976), Batman (Movies 1989-1997), Superman (Christopher Reeve Movies), The Flash (TV 2014), The Flash (TV 1990), Arrow (TV 2012), DC's Legends of Tomorrow (TV), Supergirl (TV 2015), Legends of Superheroes (1979), Green Lantern - All Media Types
17 Nov 2025
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What if... Before Barry arrived on Earth-38, he was accidentally thrusted and thrown into a different Earth instead? It is here that he meets the Justice League of Earth-89.
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Words We'll Say in Greeting by Artemis_Luna
Fandoms: The Flash (TV 2014), Supergirl (TV 2015), Arrow (TV 2012), DC's Legends of Tomorrow (TV)
17 Oct 2025
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***RE-UPLOADED AS IT WAS PREVIOUSLY DELETED!
Kara has two soulmates; she knows this by the elegant script on the middle of her back that says "Green Arrow" and the almost childlike handwriting on her shoulder blade that reads "You're on fire!"
She doesn't know what's more absurd, the fact that one of her soulmates' first words to her will involve arrows, or that she will apparently catch fire in front of the other.
Series
- Part 1 of Words (Soulmate 'Verse)
- Part 14 of All Things Karivarry/Superflarrow
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Invasion by purplemulti
Fandoms: Supergirl (TV 2015), Arrow (TV 2012), The Flash (TV 2014), DC's Legends of Tomorrow (TV)
31 Aug 2025
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Kara reunites with team Arrow when their friend Barry Allen brings Kara to help deal with aliens.
SEQUEL TO "VISTOR"
Series
- Part 2 of His Starlight and Her Emerald Archer
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What is going on by orphan_account
Fandoms: Young Justice (Cartoon), Arrow (TV 2012), The Flash (TV 2014), Supergirl (TV 2015), DC's Legends of Tomorrow (TV)
04 Aug 2025
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Brought to a mysterious room, they are forced to watch superheroes unite in order to humanity.
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Terra Invicta - Second Contact by Knight_Sky
Fandoms: Terra Invicta (Video Game), Mass Effect - All Media Types
03 Jun 2025
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Against all odds, humanity prevailed against the Hydra, the weapon was deployed, and the Hydra all but dust in the wind as a species. But troubles are not yet over for Earth and humanity. 10 years after victory over the Hydra, a massive alien device is discovered inside the Kuiper Belt asteroid Jizo when a science ship arrived there to survey the asteroid for resources. The device, buried under an enormous amount of rock, is finally fully excavated a decade of work later. Now the year is 2071 and humanity activates the device for the first time. Going forward to where no man has ever gone before.
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Caitlin hadn't known what to expect when she had left the 1950s to join the time travellers who had saved her life.
It had not been the 30th century and the most beautiful woman she had ever met.
Except Iris had her timeline changed. Iris had a destined person.
A person they had just met.
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Regardless of time period you're in, one thing can't be broken is the bond of sisterhood as Barry delivers a message to Sara from someone he encountered in Flashpoint timeline.
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David and Barry deal with aliens, Barry quitting his job, and the star labs museum. Also how did. The arrow get David's number?
Series
- Part 20 of Moments Unplanned For
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Alternate Events: When Heroes and Universes Collide by cer1992
Fandoms: Smallville, The Flash (TV 2014), Arrow (TV 2012), Supergirl (TV 2015), DC's Legends of Tomorrow (TV)
28 May 2023
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This is an AU fic of the Arrowverse from The Flash Season 2/Arrow Season 4 onwards, along with the inclusion of the Smallville TV series. The point of divergence occurs during The Flash 2x18 episode "Versus Zoom" when the Tachyon prototype sends Barry Allen/The Flash to the Smallville universe instead of Supergirl's Earth. An Arrowverse/Smallville crossover.
Series
- Part 1 of DC Multiverse Crossovers
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A conversation between Tiff and Scola after Scola's son is born.
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After defeating Dominators, Barry delivers a message from someone that he met during his time in Flashpoint to Sara.
Follow up to Black Wolf: Invasion.Series
- Part 17 of Black Wolf Verse
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Forever Heroes by HRwriter897
Fandoms: Arrow (TV 2012), The Flash (TV 2014), Supergirl (TV 2015), DC's Legends of Tomorrow (TV), Batman - All Media Types, Superman - All Media Types, Swamp Thing (TV 2019), Green Lantern - All Media Types, Constantine (TV), Wonder Woman - All Media Types, Justice League - All Media Types, Shazam! (2019), Aquaman (2018)
11 Jan 2023
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During the Dominator invasion, one little choice from Oliver Queen and Barry Allen changes everything. Heroes and those who wished to do good stepped in to the light to fight back against them.
On that day, the World's Finest came to its aid and a new age of heroism was born.
(Part 1 of 'FOREVER HEROES!)
Series
- Part 1 of Tales of the Multiverse
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Always Think of You That Way by silverdove (epicbadluck)
Fandoms: The Flash (TV 2014), The Flash - All Media Types, Green Lantern - All Media Types
29 Dec 2022
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Barry's been waiting for the next big catastrophe to show up, but what shows up instead is a glowing green spaceman claiming to be his boyfriend.
It's almost worse than metahumans showing up from another dimension with the sole goal of killing him.
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Let me think you're the same even if you're not by Xelasmokes
Fandoms: Supergirl (TV 2015), Supergirl (Comics), The Flash (TV 2014), The Flash - All Media Types, Batwoman (TV 2019), Batwoman (Comics), Arrow (TV 2012), DC's Legends of Tomorrow (TV), DCU, DCU (Comics)
17 Oct 2022
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Before Flashpoint Kara and Kate were dating but now knowing Barry changed the timeline, Kara needs to know if the most importin thing stayed the same or has it changed to...
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The pod did not bring a new ally. It instead brought a curse upon the Last Daughter of Krypton. Can she remain a beacon of hope? Or will she succumb to the thirst for blood?
Alt Season 2, Kara becomes a vampire
Series
- Part 1 of Vampire Supergirl AU
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Fixed Point by fezwearingjellybananas
Fandoms: DC's Legends of Tomorrow (TV), The Flash (TV 2014)
07 Feb 2022
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There’s a reason the Time Masters avoided speedsters, and it’s not just the dangers of Time Wraiths. The Flash and Reverse Flash’s stories have been intertwined through time travel as far back as their records show, messing with one could damage the fabric of reality.
Unfortunately, someone forgot to inform Captain Lance about that.
Series
- Part 14 of AU Snippets
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Sekundäre Geschlechter bestimmen die soziale Interaktion, aber sie machen es nicht zwangsläufig einfacher die eigenen Dämonen zu überwinden, ganz im Gegenteil, sie machen es manchmal sogar schwieriger. Wie Julian Albert, Barry Allen, Eddie Thawne, Leonard Snart, Harry Wells und der Rest von Team Flash bestätigen kann.
Series
- Part 6 of A/B/O-Verse