277 Ben 10 & She-Ra Heroes of Power » by Hero Central An investigation into space time anomalies lands Ben Tennyson and his partner Rook Blonko on the mysterious and magical planet of Etheria, they cross paths with Adora and her friends and choose to do what they can to free Etheria from the tyrannical grip of the Horde. Its Hero time,For the Honour of Greyskull!
Ben 10 & She-Ra and the Princesses of Power, T, English, Friendship & Supernatural, chapters: 16, words: 216k+, favs: 212, follows: 212, updated: 19h published: 10/18/2020, Ben T., Rook, Adora/She-Ra, Princess Glimmer
520 Rick and The Loud House » by Itsnouse95 In one of many alternate universes, Rick Sanchez doesn't have just one grandson and one granddaughter. He has one grandson and ten granddaughters.
Rick and Morty & Loud House, T, English, Humor & Sci-Fi, chapters: 42, words: 338k+, favs: 304, follows: 284, updated: 9/13 published: 6/5/2019, Rick S., Lincoln L.
1k+If I Could Start Again » by Taaroko Stormbreaker strikes Thanos a couple inches to the left of where it does in canon, with much more satisfying results. However, revenge alone won't fill the voids left behind by all that Thor has lost. Time travel canon-divergent AU. Heavy focus on the Brodinsons. No slash.
Avengers, T, English, Family & Adventure, chapters: 75, words: 245k+, favs: 1k+, follows: 2k+, updated: 9/5 published: 6/7/2018, Thor, Loki
116 Changing of the Guard » by Darthkvzn Ben receives terrible news; his grandfather has disappeared and been declared dead. Max leaves him a strange device called the Omnitrix; now he must figure out his way through the ups and downs of heroism in a world that is only just recuperating from an alien invasion, all while figuring out the mystery of Max's disappearance and mastering the quirks of the watch.
Ben 10 & Avengers, T, English, Adventure, chapters: 22, words: 103k+, favs: 204, follows: 226, updated: 9/3 published: 3/27/2019, Ben T., Gwen T., Kevin, Julie Y.
138 Transformers Titan: Devastation » by kira444 Volume 3 of Transformers Titan. Terra enters a new age as humanity now knows about the cybertronians and their war for supremacy. As the Autobots and Decepticons adjust to the inclusion of humans into their war, the two factions must also deal with being dragged into humanity's own civil conflict.
Transformers/Beast Wars, T, English, Adventure & Sci-Fi, chapters: 50, words: 438k+, favs: 34, follows: 32, updated: 9/3 published: 3/24/2019
256 Motivation » by No Guns Only Roses He finally did it. He finally conquered planet Earth. But he didn't do it for his Tallest or the Irken Empire. No, this was all about vengeance.
Invader Zim, T, English, Friendship & Tragedy, chapters: 31, words: 78k+, favs: 96, follows: 103, updated: 8/16 published: 4/7/2017, Zim, Dib
1k+ Avenging 10 » by CaptainRex75 Ben 10 has lost everything. Now he is given a second chance in a world full of superheroes. Will Ben decide to continue being a hero?
Ben 10 & Avengers: Earth's Mightiest Heroes, T, English, Adventure & Sci-Fi, chapters: 27, words: 436k+, favs: 1k+, follows: 1k+, updated: 8/5 published: 1/3/2015
3k+ Avengers of Steel » by Reyel Every legend has an origin. Every story has a beginning. Every Superman was once just a man. Before becoming the Man of Steel, Clark Kent was just a young man trying to find his place in a world that was not his. MoS/Avengers crossover. Superman in Marvel Cinematic Universe.
Avengers & Superman, T, English, Adventure & Humor, chapters: 42, words: 530k+, favs: 4k+, follows: 4k+, updated: 7/27 published: 4/25/2017, Clark K./Superman/Kal-El, Black Widow/Natasha R., Captain America/Steve R., Iron Man/Tony S.
86Transformers: Rise of Prime » by Writing Avenger 2016 Before he was Optimus Prime, Orion Pax was an Elite Guard washout on a maintenance crew of misfits. After a chance encounter with a powerful Cybertronian artifact, he and his crew wind up on Earth, where they go from Zeros to Heroes.
Transformers/Beast Wars, K+, English, Adventure, chapters: 21, words: 123k+, favs: 106, follows: 79, updated: 6/25 published: 4/4/2019
183 The Runaways » by StarKnight2.0 Post S2 of Rick & Morty. S1 of Steven Universe. Steven and Co encounter a strange man named Rick Sanchez, who has a secret and an agenda. Soon, Steven, the gems and Rick get swept up in a war for the earth against not only the Gem Homeworld but also a whole slew of new enemies that can come from anywhere and be anyone. COMPLETED. SEQUEL/CONTINUATION IS UP NOW.
Steven Universe & Rick and Morty, T, English, Adventure & Sci-Fi, chapters: 25, words: 284k+, favs: 176, follows: 183, updated: 6/12 published: 2/10/2016, Rick S.
28Survival First, Trust Second » by TF Freak Out When Megatron's Space Bridge overloads just enough to send him, Starscream, and Sari into a whole other world, what does it take for them to get back home. More so, who will make it back alive?
Transformers/Beast Wars, T, English, Drama & Mystery, chapters: 12, words: 35k+, favs: 31, follows: 35, updated: 6/6 published: 4/29/2020, Megatron, Starscream, Sari S.
1k+Cat-Ra » by Monokub "If" is such a powerful word. What if the reasonings for our duo were different? What if the personalities of our two favorite females were altered ever-so slightly? And most of all, what if Catra became She-Ra? Currently Season: 4
She-Ra and the Princesses of Power, K+, English, Hurt/Comfort & Adventure, chapters: 133, words: 1487k+, favs: 481, follows: 441, updated: 5/27 published: 2/18/2019, Adora/She-Ra, Princess Glimmer, Bow, Catra
5Unweaving Threads of Fate » by Naiad Card A small series of parts in one universe where a trio of Autobot Acadamy cadets are separated by events on Archa Seven. Where Sentinel is kicked out and assigned to a space bridge repair group, Elita manages to stay and works her way up the ranks of the Elite Guard in memory of the one true friend she lost...and Optimus finds himself struggling with who he was forced to become.
Transformers/Beast Wars, K+, English, chapters: 5, words: 21k+, favs: 22, follows: 17, updated: 5/22 published: 3/27, Elita One, Optimus Prime, Sentinel Prime
417Fire of Youth » by MiniKoontzy A "What If" type story. What would have happened if Optimus had died during the episode "Rebellion"? What would've happened to Smokescreen once he'd taken the Matrix for himself? WARNING: ALL ABOARD THE FEEL TRAIN. Rating raised to T just in case due to mild gore, mild swearing, and scenes of physical pain.
Transformers/Beast Wars, T, English, Tragedy & Hurt/Comfort, chapters: 47, words: 264k+, favs: 176, follows: 172, updated: 5/2 published: 7/28/2015, Optimus Prime, Smokescreen
625Transformers Animated: The Mercy of Prime » by Darth T-Rex The sequel to my Season 4 fanfiction, 'Cybertronian Genesis'. One year after their latest victory over the Decepticons, Optimus and his crew find themselves caught up in events on a scale like nothing they've witnessed before.
Transformers/Beast Wars, T, English, Adventure & Sci-Fi, chapters: 39, words: 211k+, favs: 352, follows: 282, updated: 4/21 published: 7/13/2010
27 Close Encounters of the Gem Kind » by Darthkvzn On the way back to Earth after the whirlwind that their first few weeks as Paladins of Voltron has been, the gang runs into a Homeworld colony under attack by the Galra. Deciding to provide aid, however, may not have been their wisest choice... Crosses over with my MCU verse (someday), but can stand alone.
Steven Universe & Voltron: Legendary Defender, T, English, Adventure & Supernatural, chapters: 12, words: 33k+, favs: 36, follows: 34, updated: 4/16 published: 2/10/2019, Yellow Diamond, Lance, Pidge G./Katie H.
16Katabasis » by Lady Stormcrow The Crystal of Truth has been healed, but life on Thra is still out of balance, leaving Jen and Kira worried for their future. Meanwhile, the urSkeks have returned to their homeworld, but that world doesn't feel like home anymore. As a new threat from beyond the stars endangers them all, they'll have to seek answers the only place they can be found: in the minds of the dead.
Dark Crystal, T, English, Fantasy & Family, chapters: 12, words: 58k+, favs: 11, follows: 8, updated: 4/11 published: 7/21/2020
89 The Magic of Hilda » by MorriganByrne There's a new student at Hogwarts: a blue-haired girl with a big heart and a thirst for adventure. Formerly 'Hilda and the Heir of Slytherin', now expanded to eventually cover Books 2-7. Wonderful cover image by artngoodfeelings. Look her up on deviantArt!
Harry Potter & Hilda, K+, English, Friendship & Adventure, chapters: 25, words: 76k+, favs: 79, follows: 79, updated: 3/31 published: 11/12/2018, Harry P., Draco M., Hilda, Johanna
3k+ Universe Falls » by MiniJen What if, instead of Beach City, the Crystal Gems had settled down in a little backwoods town just west of weird? What if, upon coming to Gravity Falls for the summer, Dipper and Mabel were to befriend Steven and Connie? How would they fare against the combined threats of merciless Homeworld Gems and a certain triangular demon? Find out what happens when Magic and Mystery unite...
Gravity Falls & Steven Universe, T, English, Drama & Friendship, chapters: 102, words: 1754k+, favs: 1k+, follows: 1k+, updated: 2/20 published: 9/29/2015, Dipper P., Mabel P., Steven U., Connie M.
44 Interlopers, Invaders, Investigators and Doom » by Diloph In the not-too-distant future, unstoppable forces collide when the Doctor arrives in the middle of Invader Zim's latest plan to take over the Earth. But unfortunately for the pair of them, Dib and Gaz, the four are drawn into a terrible plot that endangers not only the Earth, but the Irken Empire and possibly the whole universe as well!
Doctor Who & Invader Zim, T, English, Sci-Fi & Drama, chapters: 9, words: 79k+, favs: 67, follows: 60, updated: 2/14 published: 2/28/2016, 10th Doctor, Zim, Dib, Tak