Catalyst: a person or thing that precipitates an event or change. A traditional encounter is changed, and begins a series of events which will alter the fate of millions. From the beginning of the Saiyan Saga forward. Rated T for violence and themes.

2017, one year since they won their fights. Gwen and Peter had dealt with possessed lawyers, superpowered terrorists and anything else New York could throw at them. Things were different now. Heroes were an accepted part of life and new villains came along with that. Didn't matter; they'd still be the ones left standing. (Spider-Man Noir and Spider-Gwen crossover)

Cell emerges into the dead world of the future, his only goal is to find the androids and become Perfect. He is assured that his Perfect form is unstoppable, though the wizard Babidi says otherwise. To combat boredom, Cell allies himself with Babidi to revive Majin Buu and receive the one thing he truly desires: A challenge.

Olympus has fallen. Gaea's children have won and in her triumph, the world is torn apart. To avert the never-should-have-been, Percy Jackson is thrust back in time, into his twelve-year-old self, memories intact. But he is not alone. The Fates underestimated the Lord of Time when stealing his power, and there is something about this particular demigod brat that intrigues him...

During the climactic battle with Kaguya, Naruto is transported to the Marvel Cinematic Universe. Realizing that no one is coming for him, Naruto sets himself on an odyssey filled with mad gods, powerful tyrants and a few stones to find his way back home.

Returning to the past means a chance to re-shape the future. Having experienced what's to come, Naruto begins his journey to train and find Sasuke before the sparks of the Fourth War can be lit. But for those who experienced the Time-Spanning Incarnation, things are never so clear-cut. There is no going back to the way things were. The only way is to move forward. [TWTBW sequel]

Peter thought it was the end. Crumbling to dust in Mr. Stark's arms, when he closed his eyes he didn't think they'd open again. Except they did, and now he was stuck in a world where no one knew Spider-Man and the Spider-Woman who could help him was a stranger named Gwen Stacy.

After the snap, Peter Parker is trapped between dimensions. He navigates alternate realities full of familiar people & worlds unknown if he is going to be able to find his way back to the war against Thanos. Contains heart breaking spoilers, signature Marvel humor, a wild ride across the galaxy. Set between Avengers: Infinity War & Endgame. Final ENDGAME epilogue POSTED! Spoiler!

When nineteen year old Matt finds himself in the Pokemon universe after stepping into the Dimensional Transferring Device, he realizes that it isn't all fun and games. Having both beast forms as well as anthropomorphic counter parts, Pokemon themselves aren't as cute and cuddly as the games lead him to believe. Matt ventures to find a way home with the odds stacked against him.

Born in the same village. Friends turned enemies. Naruto and Sasuke find themselves enlisted to a seemingly impossible mission by the most unexpected individual in the strangest of circumstances. But faced with the chance to fix the past, they embark on an entirely different journey. Not yaoi.

1934, one year since becoming Spider-Man. He'd dealt with gangsters, insane scientists and whatever else old New York could spare. Then suddenly things...changed. A world brimming with 'progress', wannabe clowns calling themselves super and a noisy dame in white. Didn't matter; he'd still be the one left standing. (Spider-Man Noir and Spider-Gwen crossover)

Whoever said death is nothing to be afraid of have likely lived a full life. Though, I suppose the same could be said for the reverse. Those who fear death have never truly lived, but I'm getting a little ahead of myself. My name is Kasa, the idiot who doesn't know how to die properly. And let me tell you, dying hurts. OC Self-insert COMPLETE

Obito didn't believe in second chances—not for himself, anyway. Waking up in a pool of Rin's blood wasn't an ideal start, either. But Obito is nothing if not determined, and he'll be damned if he allows the rest of history to repeat itself. Time Travel

Bardock awakens on an unknown planet, finding himself to be alive and well. He runs into another Saiyan on the planet who explains that the natives of the planet have been taking care of himself and Bardock, and that a small handful of Saiyans besides Raditz, Nappa and Prince Vegeta have survived the attack on Vegeta. He also learns that he's been in a coma for thirty years….

With the defeat of Demigra, peace returned to the universe and the flow of time. The Time Patrol grew into one of the largest fighting organizations in the universe, building the new Canton City to house recruits and citizens alike! Yet all of it couldn't hide a young Saiyan woman wanting to live a normal life from being hand picked for a special assignment.

Lonely sophomore Peter Parker was the most gifted student at Midtown High, until one day when a bite from a genetically modified spider turned him into something else. Now, he's just your friendly neighborhood Spider-Man. Follow his journey. Rated Teen.

Sequel for "Walking Towards the Sunset". Since the defeat of Kid Buu, the Z Fighters have all taken different paths for power. Only a Saiyan from the sky, the God of Destruction, a visitor from the future, the Pendulum Room, two births, fusions, and the resurrection of the source of Bardock's hatred can bring them all together. Yup. Just another normal day. ("Tarble" - Super)

SEQUEL TO PAINT IT BLACK. Peter Parker was rescued from Hydra's clutches, but not without great cost. Tony Stark and the Avengers must now work desperately to find a way to remove the alien parasite, Venom, from the teenager before it consumes him entirely, Peter struggles to fight against his dark descent, all the while Hydra lurks, eagerly waiting to reclaim their investment.

An alt. universe to the Percy Jackson series, where Percy is a very different person. Percy always felt like a loner, and once he arrived at this new place, where he's told that this is where he belongs, he'd never felt more isolated. Remaining unclaimed by his godly parent even after he finds out who he is, Percy has to deal with prophecies and monsters and worst of all: people.

The Nine Realms are at peace, the Camps are enjoying freedom, and the Avengers have settled down—all seems well. But an imposter sits on Asgard's throne and something lurks in the shadows of the universe while primordial beings stir. The Norns cackle, the Fates furiously spin yarn, and the Parcae chant: The end is nigh. And Thanos is just the tip of the iceberg.

The Avengers are broken and scattered across the globe after the events of Civil War. But when Peter Parker is taken by the very worst of humanity, Tony Stark will do whatever it takes to get him back, even if it means hunting down former friends and enemies to do it.

12-year-old Naruto often dreams about the future, but when he is launched four years into it, not everything is as he envisioned. The Fourth World War is just around the corner, and Akatsuki is more dangerous than ever. But hiding and doing nothing has never been Naruto's style. To change the course of history, he searches for the truth about the future, and a way back to the past.

Naruto lived a good life. She had been given the title of Nanadaime Hokage at the young age of 24, she had the love of friends and an entire village. However, what happens when she finds out that it was all a dream? The Rikudou Sennin steps in and offers her salvation: Go back. She does, carrying with her knowledge, power... And her grim past. Time-travel, femNaru.

Obito became the Jūbi Jinchuuriki and consequently got smacked to oblivion and back, with words and Naruto's fists. He died protecting the hailed boy of prophecy and his bonds, a smile on his face as he went to join Rin and Minato in the afterlife. But things didn't go as expected, and it seems that life has more plans for him… Time-travel.

The second she realized she was in the world of Naruto, Rae swore she wouldn't interfere. Even so, looking at the shivering 8-year-old before her, she couldn't help but hold him close. It's not like one friend will change anything, right? T for violence and some language.