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Vishanti Sanctorum aka the Power of Love by LittleMiddleA reviews
When Natalia Alianovna "Natasha Romanoff" Romanova aka Black Widow died to save the universe she didn't expect to live again. When Lily Potter died while protecting her son, she didn't expect to come back as a ghost. Or how Natasha became the guardian/mother of the Boy-Who-Lived and was part of a small group who could see Harry's dead mother Lily. Crossing dimensions was a pain.
Crossover - Harry Potter & Avengers - Rated: M - English - Family/Suspense - Chapters: 20 - Words: 71,464 - Reviews: 22 - Favs: 157 - Follows: 201 - Updated: 4/5 - Published: 10/29/2023 - James P., Lily Evans P., Black Widow/Natasha R., Bucky Barnes/Winter Soldier
Avenging Flash: Age Of Ultron (Book Two) by G4dgetJunior reviews
In Book Two of this series, Barry Allen and the Avengers must face off against the next major foe to threaten the earth. A corrupted and homicidal AI, hell bent on humanities extinction. It's name? Ultron.
Crossover - Flash & Avengers - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 20,319 - Reviews: 7 - Favs: 7 - Follows: 7 - Updated: 4/5 - Published: 2/16 - Barry A./The Flash, Pietro M./Quicksilver, Ultron, Wanda M./Scarlet Witch
One of a kind by NalaLu reviews
For the last two years, Evelyn Stark, Tony's younger sister, works for S.H.I.E.L.D. She didn't expect an office job but when she got it, she didn't complain. Now, that Fury's offering her her first real mission, she's ready to take it and rock it. Little does she know that the wizard world is no joke and that liking Severus Snape, is even worse.
Crossover - Harry Potter & Avengers - Rated: M - English - Romance/Fantasy - Chapters: 57 - Words: 106,152 - Reviews: 45 - Favs: 63 - Follows: 89 - Updated: 4/5 - Published: 4/8/2021 - Harry P., Severus S., Thor, OC
Marvel : Hyperion by SunGod499 reviews
Hyperion is one of the 11 Eternals who came to Earth to protect the inhabitants from the predators made opposite to then. The Deviants. Hyperion is by far the special one of the bunch as he has multiple abilities making him the strongest one of them all. After the Eternals separated, he chose to roam around the world to learn new things and blend in but one event turned things upsi
Crossover - Marvel & Avengers - Rated: K+ - English - Adventure/Fantasy - Chapters: 25 - Words: 77,331 - Reviews: 21 - Favs: 73 - Follows: 87 - Updated: 4/4 - Published: 1/20/2023 - M. Milton/Hyperion, Captain America/Steve R., Thor, Iron Man/Tony S.
Through the Veil by BlackBerryPrince reviews
Thats Alba Potter!" They exclaimed. "The woman who conquered!" They praised. "She defeated You-Know-Who!" They whispered. "Shes unwed!" They sniped. "Raising a Halfbreed!" They sneered. "A dark creature." They scorned. "Maybe she's going dark herself." They condemned. She was determined not to let history repeat itself.
Crossover - Harry Potter & Avengers - Rated: M - English - Adventure/Romance - Chapters: 3 - Words: 2,560 - Reviews: 3 - Favs: 32 - Follows: 66 - Published: 4/4 - Harry P., Teddy L., Iron Man/Tony S.
Harnessing her potential by valpolyto reviews
Just your usual board meeting. You know, as long as the usual board meeting involves many kinks and a very eager young woman named Clarke.
Crossover - Avengers & 100 - Rated: M - English - Romance - Chapters: 1 - Words: 4,617 - Reviews: 1 - Published: 4/4 - Black Widow/Natasha R., Iron Man/Tony S., Pepper P., Clarke G. - Complete
Avengers: Titanfall by Egghead reviews
Summary: What If It Wasn’t Just The Avengers And Her Allies Who Has A Bone To Pick With The Mad Titan? One-Shot. No Pairings
Crossover - Avengers & Godzilla - Rated: K - English - Adventure - Chapters: 1 - Words: 603 - Reviews: 1 - Favs: 4 - Follows: 2 - Published: 4/4 - Complete
Harry Potter and the World of Heroes by Targetedandfiring reviews
A small change in Harry's battle with the Basilisk had him slowly absorbing Voldemort's memories from the Horcrux in his scar. Follow Harry as he steps through the Veil of Death and into a new world full of Heroes, new adventures, and strange magic. Better get strong soon Harry, Infinity Stones are about to make everything much more difficult. Inspired by kossboss, read them first!
Crossover - Harry Potter & Avengers - Rated: M - English - Adventure/Friendship - Chapters: 3 - Words: 30,325 - Reviews: 54 - Favs: 355 - Follows: 491 - Updated: 4/3 - Published: 12/24/2023 - Harry P., Iron Man/Tony S.
The Changes from Before by Amme90 reviews
Ever since the Vulture, things haven't felt right. Peter's lack of skills and experience has never been more evident since he walked away from Coney Island (or at least what was left of it). There are no calls from Tony, no replies from Happy and Peter has never felt more alone. So what if Peter then goes out looking for things "out of his depth"?
Crossover - Deadpool & Avengers - Rated: T - English - Adventure/Friendship - Chapters: 11 - Words: 43,123 - Reviews: 8 - Favs: 31 - Follows: 44 - Updated: 4/3 - Published: 5/22/2021 - Deadpool/Wade W., Iron Man/Tony S., Spider-Man/Peter Parker
MCU and Doctor Who magic by Time of change
Set after Guardians of the galaxy volume 2
Crossover - Doctor Who & Avengers - Rated: M - English - Romance/Sci-Fi - Chapters: 8 - Words: 3,574 - Published: 4/3 - 13th Doctor, OC, Wanda M./Scarlet Witch
Guardian of the Soul: Infinity Saga by HPfanfictioner66 reviews
His Benefactor? A super powerful cosmic being. His job? To guard a stone that controls an essential aspect of existence. His name? Harry James Potter. After Harry's demise at the hands of Voldemort, he gets a chance at a new life in a new universe. But there's always a catch. Will Harry save the world or will he die trying… again?
Crossover - Harry Potter & Avengers - Rated: T - English - Chapters: 14 - Words: 88,057 - Reviews: 514 - Favs: 3,087 - Follows: 4,301 - Updated: 4/3 - Published: 1/15/2023 - Harry P., Iron Man/Tony S., Ancient One
Rogue Replacement: A Marvel Story by Steatoda reviews
Tyson's confusion is palpable when he wakes up disoriented in the back of a truck. But the real kicker? He's replaced the X-Men's signature hero, Rogue, and gained her superpower, a gift and curse combined. His touch becomes a danger to all, but holds near-limitless potential. OC/Semi-SI.
Crossover - Marvel & Avengers - Rated: M - English - Adventure/Supernatural - Chapters: 48 - Words: 273,018 - Reviews: 537 - Favs: 966 - Follows: 1,167 - Updated: 4/3 - Published: 8/30/2023 - OC, I. Rasputin/Magik
From Avengers to Rebels by What If Universe reviews
The Avengers lost. Half of the universe was killed, and there was no hope of coming back. But before their deaths, the dying heroes were rescued and sent to another universe where they can help. This place happened to be under the terrain of the Empire and their presence created a disturbance in their universe. And one everyone felt. They now serve a new purpose to free the galaxy.
Crossover - Star Wars & Avengers - Rated: T - English - Fantasy/Adventure - Chapters: 26 - Words: 148,331 - Reviews: 181 - Favs: 230 - Follows: 245 - Updated: 4/2 - Published: 9/26/2022 - [Sabine W., Spider-Man/Peter Parker] Ant-Man/Scott Lang, Black Panther/T'Challa
That time of the month by valpolyto reviews
It's that time of the month. Clarke, a werewolf, is in heat. And seriously needs it. And, as always, her mates, amongst other werewolves are very happy to give it to her. Hey, it's a difficult job, but someone's gotta do it.
Crossover - Avengers & 100 - Rated: M - English - Romance - Chapters: 1 - Words: 1,599 - Reviews: 1 - Published: 4/2 - Black Widow/Natasha R., Hulk/Bruce B., Peggy C., Clarke G. - Complete
God of Mischief, Master of Death by CrazyArtChik reviews
Loki gets a chance to change everything. The Norns, having become tired of Odin's meddling in the Weave, have decided enough is enough. Death sees this as a chance to plead their case, asking for Loki to go through the trials needed to become the Master of Death. (Genderfluidity and shape shifting mentioned, as he is so in Norse myths, and mentioned in the series)
Crossover - Harry Potter & Avengers - Rated: M - English - Adventure - Chapters: 130 - Words: 490,979 - Reviews: 1442 - Favs: 2,948 - Follows: 3,213 - Updated: 4/2 - Published: 1/23/2022 - Harry P., Loki
The Star Spangled Man With A Plan by Who Let This Guy On reviews
"I don't want to kill anyone. I don't like bullies; I don't care where they're from." -Steve Rogers. A man out of time, thrown into a strange new world does what he does best. Stands up to bullies and protect those who can't protect themselves. Or how a single man at the right place and the right time can save an entire nation.
Crossover - Avengers & Kuroinu: Kedakaki Seijo wa Hakudaku ni Somaru - Rated: M - English - Adventure/Fantasy - Chapters: 18 - Words: 113,440 - Reviews: 760 - Favs: 1,765 - Follows: 2,007 - Updated: 4/1 - Published: 12/17/2017 - Captain America/Steve R., Maia, Origa D, Cellestine L
The Call Of Chthon by PotCFan101 reviews
Months after Doctor Strange and Wanda Maximoff wiped everyone's memory of Spider-Man and the Punisher, Frank and Strange come across a girl who can travel the multiverse, and must protect her from a familiar threat to Frank's past. When the villain manipulates Wanda Maximoff against them, Frank realizes he must fight save the girl, and also save Wanda before it's too late.
Crossover - Avengers & Punisher - Rated: M - English - Chapters: 4 - Words: 31,140 - Reviews: 1 - Favs: 2 - Follows: 2 - Updated: 4/1 - Published: 11/1/2023 - Wanda M./Scarlet Witch, Dr. Strange/Stephen S., Wong, Frank C./The Punisher
A tale of the predator and prey by valpolyto reviews
Once upon a time, there was a girl that lived with her mother, the mother hated the girl. Then a group of visitors came to town, here to claim the girl.
Crossover - Avengers & 100 - Rated: M - English - Romance/Horror - Chapters: 1 - Words: 2,779 - Reviews: 2 - Published: 4/1 - Black Widow/Natasha R., Hulk/Bruce B., Wanda M./Scarlet Witch, Clarke G. - Complete
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: 10 - Words: 18,675 - Reviews: 62 - Favs: 66 - Follows: 80 - Updated: 4/1 - Published: 10/24/2021 - Barry A./The Flash, Oliver Q./The Arrow, Captain America/Steve R., Iron Man/Tony S.
Captain America & Wonder Woman: Two World's Collide by UltraPhantom reviews
After WW1, Diana Prince just want's to live a normal life and only doing hero work on occasions, that is until the Plumbers come in and ask for her help as it is the safety of all man kind during WW2. Reluctantly she agrees,a nd after meeting Steve Roger, who eventually becomes Captain America, the two must now work together to defeat Hydraw, Natzis, and even the Red Skull. YJHU: 2
Crossover - Young Justice & Avengers - Rated: T - English - Romance/Adventure - Chapters: 4 - Words: 5,239 - Reviews: 12 - Favs: 10 - Follows: 16 - Updated: 4/1 - Published: 1/1 - [Captain America/Steve R., Wonder Woman] Red Skull, Peggy C.
Avengers Phantom by UltraPhantom reviews
Saving the world from the Disasteroid was the easy part, but after revealing his identity to the world, Danny becomes a part of a bigger universe. But he just doesn't know it as he is recruited from S.H.I.E.L.D. to join a new group of superheroes that are destined to save the world. But is Danny is ready to handle another threat while working with other heroes? MDPCU 1
Crossover - Danny Phantom & Avengers - Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 28,399 - Reviews: 62 - Favs: 142 - Follows: 175 - Updated: 4/1 - Published: 4/2/2022 - Danny F., Black Widow/Natasha R., Captain America/Steve R., Iron Man/Tony S.
The Man Who Won't Die Meets Death by shdowstep reviews
Hela watched eagerly as the bonds of her prison slowly unraveled, ticking down to the day she would finally be free to reclaim her birthright. Until that time and thanks to the weakening of her prison, it was trivial to use magic to observe the Realms that would one day be hers. Finding a man that should have died and befriending him? That hadn't been in her plans at all.
Crossover - Captain America & Avengers - Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 8,638 - Reviews: 19 - Favs: 46 - Follows: 62 - Updated: 3/31 - Published: 1/31 - [Steve R./Capt. America, Hela]
Ride it out by valpolyto reviews
It's been four years since Clarke first met a rock band and got into a relationship with all of them. And her lovers thought she was happy. That is, until she cheated on them. Now, they need to...punish Clarke in some way. Clarke is alright with that. She just has to...ride it out.
Crossover - Avengers & 100 - Rated: M - English - Romance - Chapters: 1 - Words: 3,604 - Reviews: 1 - Published: 3/31 - Black Widow/Natasha R., Iron Man/Tony S., Pepper P., Clarke G. - Complete
Orbis Alius by phantomzone08 reviews
Young Justice is thrown headfirst into a world where the Justice League doesn't exist, the only heroes being those known as the Avengers.
Crossover - Young Justice & Avengers - Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 4,809 - Reviews: 2 - Favs: 2 - Follows: 8 - Published: 3/30 - Conner K./Superboy, Kaldur/Aqualad, Megan M./Miss Martian, Richard G./Robin
Still Defiant! SI-OC Marvel-DC by EmmaCruzader reviews
What does it mean to be a hero? Daniel Evans seeks to find the answer to that question as he navigates a world that is both familiar and completely unknown, with enemies emerging from all directions and tentative allies He will have to be Defiant. SI-OC, MC-hero, MC-viltrumite, MCU-AU, DC Comics AU. Marvel AU. Ko-Fi /emmapress
Crossover - Justice League & Avengers - Rated: M - English - Adventure/Fantasy - Chapters: 12 - Words: 61,909 - Reviews: 69 - Favs: 226 - Follows: 296 - Updated: 3/30 - Published: 11/10/2023 - Superwoman, OC, Iron Man/Tony S., Spider-Man/Peter Parker
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