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Legion of Super Heroes Crossovers
4 Xrossover B10xLoS » by DMChumble Continuation of the Xrossover series, previous stories in Xrossover series include the following. 1. B10/TS 2. B10/MLB 3. B10/JLs 4. B10/BH6
Ben 10 & Legion of Super Heroes, K, English, chapters: 4, words: 5k+, favs: 9, follows: 5, updated: 10/11/2020 published: 7/1/2020
123 Ben 10: Legionnaire Chronicles » by TerrorKing10 During a fight against Eon, Ben finds himself in an alternate future unlike any he has seen before. He befriends a group of super-powered teenagers who call themselves the Legion Of Superheroes. (Inspired by JP-Ryder's story)
Ben 10 & Legion of Super Heroes, T, English, Adventure & Humor, chapters: 7, words: 75k+, favs: 209, follows: 183, updated: 8/29/2020 published: 2/6/2016, Ben T., Eon, Emerald Empress, Superman
Crossing Path of Two Different Times by Alex-Endless-013 Was inspired By: AnimeGirl 144  In where Brainiac 5 went on vacation after a argument had happen with the Legion Of Superheroes and decided to go back in time to visit Superman but some things had happened and he went to the past where the young justice team had been form with no way back he is trap there till he can build his way back to the future.
Young Justice & Legion of Super Heroes, T, English, Sci-Fi, words: 3k+, follows: 1, 3/6/2020, Conner K./Superboy, Clark K./Superman, Brainiac 5/Brainiac 5.1, Superman
5 Toon Force vs the Fatal 5 » by PerkyGoth14 Set after Reign of the Supermen. Atticus and the others are now finally close into finding Atticus's long-lost parents who have long since been gone since his adoption by Clark Kent/Superman. While they have a chance to finding the missing parents, the group gets hit by a force called The Fatal 5 and other strangers while trying to solve Atticus's long-lasting family secret.
Justice League & Legion of Super Heroes, T, English, Drama & Family, chapters: 12, words: 37k+, favs: 4, follows: 3, updated: 3/5/2020 published: 2/29/2020, OC
A family for us Part1 » by LiveWireGoth A few drabbles/oneshots that go together about Clark and Brainy starting a family. For ClarkxBrainy 2019, has mpreg & technically post-series for both shows
Justice League & Legion of Super Heroes, K+, English, chapters: 2, words: 4k+, favs: 1, updated: 9/27/2019 published: 9/23/2019, [Clark K./Kal-El/Superman, Brainiac 5/Brainiac 5.1] Bruce W./Batman
79 Christmas on the Enterprise » by PriestessOfNox To strengthen the ties between the Legion and Star Fleet they are assigned to work together on the new Vulcan colony during the Christmas season. Shall have references to new ST movie and TOS. Contains SLASH. Sexual themes may develope as story progresses
Legion of Super Heroes & Star Trek: 2009, T, English, chapters: 25, words: 37k+, favs: 24, follows: 26, updated: 12/19/2017 published: 12/5/2009
These Are the Names We're Given » by KatnissThaliaMaxZoey A collection of drabbles from various AUs, all featuring Kara Zor-El others sometimes, and the Legion of Super-Heroes.
Legion of Super Heroes & Supergirl, K+, English, chapters: 5, words: 5k+, favs: 5, follows: 2, updated: 5/26/2017 published: 2/25/2017, Brainiac 5/Brainiac 5.1, Kara D./Supergirl
1 DC Superhero Girls: Caldera's Revenge by Aishagirl12 Superhero High gets 2 new students, Skylar Storm and Bree Davenport, But meanwhile on Caldera Queen Charlotte is planning Revenge on Skylar and her Friends! So a girl is captured into a plastic container,Who is she?Will she ever escape?Will Skylar and Bree befriend the Superhero girls?Will Bree and Skylar ever learn their full potential? And will they ever defeat Queen Charlotte?
Legion of Super Heroes & Lab Rats: Elite Force, K+, English, Adventure & Hurt/Comfort, words: 1k+, 12/30/2016
2 Clark x Brainy Mpreg aka I have no title » by LiveWireGoth In which I made did something weird & try to brush off how mpreg happens with my stories with a made up gene. I'll one day fix this to be in the alpha/omega/beta universe but until then read my second warning.(So sorry) Justice League Unlimited/LoSH crossover Also oneshots from ClarkxBrainy Week2015
Justice League & Legion of Super Heroes, K, English, Family, chapters: 3, words: 2k+, favs: 9, follows: 1, 7/6/2016, [Brainiac 5/Brainiac 5.1, Superman]
It Just Slipped by LiveWireGoth In which Clark got stuck with Wally, John, & Bruce after they agreed to help Shayera & Diana go shopping. Also in which Clark by mistake mentions he's dating someone & a flash back. In which the author is being a spaz. Crossover of Justice League Unlimited & LoSH
Justice League & Legion of Super Heroes, K, English, Friendship & Humor, words: 651, favs: 12, follows: 8, 7/6/2016, [Brainiac 5/Brainiac 5.1, Superman] Bruce W./Batman
Ride Home by LiveWireGoth Jimmy thinks about how Clark's been over the last year when he over hears Clark on the phone. Crossover of Superman: The Animated Series & LoSH Also Crossdressing Brainy because why not
Superman & Legion of Super Heroes, K, English, Romance & Humor, words: 1k+, favs: 6, follows: 4, 7/6/2016, [Superman, Brainiac 5/Brainiac 5.1] Jimmy O., Clark K./Kal-El/Superman
1 Happy Day Between Our Birthdays Day! by PriestessOfNox Part 1 of a birthday gift to a long time friend of mine. I had movie Deadpool in mind when writing this but there wasn't a category for him. Lots of 4th wall breaking and stuff for the lolz.
Legion of Super Heroes & Deadpool, T, English, words: 1k+, favs: 4, follows: 1, 3/8/2016, Brainiac 5/Brainiac 5.1, Superman, Deadpool/Wade W.
Carol for a Friend by Brightpath2 It's the first Christmas after Brainy leaves, and Garth decides it's time to spruce things up around the HQ. With a prank! And of course the first victim- ahem, we mean, recipient- of his wonderful Christmas gift has to be Brainiac 5! Join the Legionaries as they carol to their absent friend. Merry Christmas and Happy Holidays to everyone out there! -Cartoonverse
Legion of Super Heroes & Legion of Super Heroes, K, English, Humor & Friendship, words: 2k+, favs: 1, follows: 1, 12/25/2014
2 Time to Time » by DuskMuse711 Tao Sander's always put her family before herself so when she suddenly finds herself thrown into the world of heroes, she'll do everything she can to get home but what happens when she finds herself having feelings towards a certain bird? Will she finally put herself first? Rated T for later. RobinXOC Story begins in the the 31st century and will travel to the 21st.
Legion of Super Heroes & Young Justice, T, English, Adventure & Romance, chapters: 4, words: 5k+, favs: 7, follows: 9, updated: 10/22/2014 published: 8/10/2014, Brainiac 5/Brainiac 5.1, OC, Richard G./Robin
4 Stay With Me » by Hadassa J The Legionnaires embark on a special mission through time to stop Joker's plot in the episode 'Wild Cards'. Timber Wolf forms a bond with Ace of Clubs, understanding the pain and betrayal of a childhood robbed and replaced by experimentation. Hurt/Comfort, Romance, and a touch of Humor.
Justice League & Legion of Super Heroes, T, English, Hurt/Comfort & Romance, chapters: 4, words: 8k+, favs: 17, follows: 8, updated: 8/11/2014 published: 8/6/2014, Ace of Clubs, Phantom Girl, Timber Wolf
35 Future to Past » by AnimeGirl 144 [Set pre-"Denial" for Young Justice.] Just a little over a month after Superman returns to his timeline, Brainy is in his lab, messing with a time bubble, something he shouldn't be doing. It malfunctions and he finds himself in a time where the name Brainiac can get him killed. Luckily, he gets some support from the unlikeliest people.
Legion of Super Heroes & Young Justice, K+, English, Friendship, chapters: 8, words: 22k+, favs: 102, follows: 64, updated: 6/5/2014 published: 9/12/2013, Brainiac 5/Brainiac 5.1, Conner K./Superboy, Richard G./Robin
26 Phantom Legionnaire » by Neeko96 It's just another lousy set of tryouts for the Legionnaires and Lightning Lad's exasperated, but when one audition turns into a monsters weight in trouble the excitement kicks into overdrive. Unable to deal any serious damage to the monster the Legionnaires turn to see a mysterious boy take it down with ease. Who is he? And more importantly what was that? -
Danny Phantom & Legion of Super Heroes, K+, English, Adventure & Sci-Fi, chapters: 6, words: 12k+, favs: 73, follows: 43, updated: 12/23/2013 published: 12/18/2013, Danny F., Frostbite, Lightning Lad, Phantom Girl
2 Brainy Best Friends Forever by PriestessOfNox The Sailor Scouts have accidentally transported themselves to the LoSH universe. Brainiac Five and Sailor Mercury soon develop a friendship followed by the others. SLASH
Sailor Moon & Legion of Super Heroes, T, English, words: 2k+, favs: 6, follows: 1, 9/27/2013, Mamoru C./Darien S./Tuxedo Kamen, Inner Senshi/Inner Scouts, Brainiac 5/Brainiac 5.1, Superman
3 Legion TV » by PriestessOfNox SLASH. Crossover with the Anime "Tiger and Bunny" with Superman in the place of Wild Tiger.
Legion of Super Heroes & Tiger & Bunny/タイガー&バニー, T, English, chapters: 2, words: 1k+, favs: 4, follows: 2, updated: 9/26/2013 published: 9/20/2013, Brainiac 5/Brainiac 5.1, Superman
Legion of Serenity by PriestessOfNox Sept 24: Obsession Tuesday: The couples obsession? Crossover with your currant obsession? Obsess away! Legion of Superheroes crossed over with Firefly. Pre-Slash.
Firefly & Legion of Super Heroes, T, English, words: 1k+, favs: 2, follows: 1, 9/24/2013, Brainiac 5/Brainiac 5.1, Superman
3 Cousin? by PriestessOfNox SLASH! Clark and Brainy honeymoon in Hawaii and meet someone unexpected.
Lilo & Stitch & Legion of Super Heroes, T, English, words: 799, favs: 13, follows: 6, 9/17/2013, 626/Stitch, Lilo P., Brainiac 5/Brainiac 5.1, Superman
14 Not a Pokemon! » by PriestessOfNox What happens when Brainiac Five ends up in the world of Pocket Monsters and one of the creatures there starts to follow him around? Possibly one of the most random crossovers ever... Possible slash if continued.
Pokémon & Legion of Super Heroes, T, English, chapters: 2, words: 1k+, favs: 10, follows: 12, updated: 9/11/2013 published: 3/7/2011
1 Ice by miss.iris94 maplesnow edited this for me, she's amazing! i had this cross over since middle schoo, i hope you enjoy it!
Life and Times of Juniper Lee & Legion of Super Heroes, T, English, Humor & Romance, words: 1k+, favs: 1, follows: 2, 12/20/2012, Lila, Timber Wolf
4 Two Brains one Century » by Ze Great Camicazi CONTAINS OC. Ultimate Girl my OC falls into a century and is fried by the walls of the time buble. The Legion knows her body will regenerate itself but what happens when the FBI finds her body first?
Bones & Legion of Super Heroes, T, English, Adventure & Drama, chapters: 3, words: 3k+, favs: 2, follows: 3, updated: 7/20/2012 published: 5/22/2012, T. Brennan, Brainiac 5/Brainiac 5.1
1 The Superheroe Job by Ecchi Girl The Legion joins up with the Leverage team to save Ultimate Girl from the sadistic Brainiac 6.
Leverage & Legion of Super Heroes, T, English, Adventure & Crime, words: 1k+, favs: 2, follows: 2, 7/20/2012, Nathan F., Brainiac 5/Brainiac 5.1
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