Tsuna Sawada was looking for a father figure; his biological one having deserted him. Lord Harold Potter was looking for an heir and had no children of his own. When an old Potter ritual caused their paths to cross, everything changes. Neither the Vongola nor the Wizarding world will know what to expect from this unlikely duo. Slash. HarryxReborn Smart!Tsuna. Master of Death!Harry.

Pepper should have known that Tony never does what he was supposed to do and leave it at that. This said, even she was confused how a simple visit to the orphanage for PR purposes ended up with Tony adopting 3 of the weirdest kids she has ever met. Genius!Harry. SLASH. De-Aged Golden trio. Stony.

The problem with being Master of Death is that although Harry can't grow older than 20 but he can still die. He can also end up reincarnated in the past. And that is how he ended up in the 1940s and became best friends with Howard Stark. When Howard asks him on his death bed to take care of his infant son Tony, Harry agrees despite the future complications. SLASH. Pairings undeterm

Magic is about intent; so when Harry unconsciously starts pouring magic in to his cooking, he creates something magical no one can resist. At 16, despite being the owner of a 5 star restaurant, his life is normal…until Tony Stark appears with his band of misfits and refuses to leave. Gods, magic, prophecies, bonds, Harry's life will never be the same ever again. SLASH.

Unlike Steve, Bucky isn't adjusting to the 21th century at all and the constant surveillance SHIELD has put him under is starting to grit on his nerves. What he needed was a distraction and the pretty black haired office worker from down the block might just be the solution. BuckyxHarry – maybe Steve in the future. Drabbley. Rated M for sexual content.

He didn't know who he was or why he was there, but one look was all it took for the cold hearted Loki to know that this green eyed young man was his. As for Harry, all he wanted was to get to know the man that his DNA test claimed was his biological father, Tony Stark. He never expected to catch the attention of a god. Slash. LokixHarry. Possible mpreg.

Newt is 17 and has a lot of things going on for him; he has a wonderful brother in Theseus; he has a sort-of best friend in Leta and he has a plan for the future. What he doesn't have is a crush on the new DADA Professor…no matter what Leta says. Slash. Teacher-Student relationship. MOD!Harry. Time Travel. Newt/Harry.

Newt/Harry. His mission is simple: retrieve a Death Eater who has escaped to the past via a Time Portal. Things goes south when a malfunctioning temporarily traps Harry in 1926 with no access to his magic. With no other choice, Harry lies low while gathering data on his target and avoiding changing the past. It would have worked too if it wasn't for one Newt Scamander. Slash.

Hidden in the depth of shield HQ was a room that not even the Avengers should know about; a room with one single occupant, a human crafted by science with the unique power of being able to communicate with inanimate objects as if they were alive and sentient. His codename? Harry P. Tony, being Tony, of course manages to discover this secret and decides to break him out. SLASH.

Welcome to Northolt Academy of Magic, where the only thing that matters is Power. Meet Harry Potter, the current Top Dog of the Academy. The Wizarding won't know how to react to this version of their prophesized hero. Slash. Harry Potter/OMC.

No one can understand why golden boy Tom Riddle would be interested in a loser like Harry. Normally Harry would be more worried about Tom's intentions but the other boy's courtship offer plays perfectly in to his plans of one upping his sister. Slash. TMRHP. AU.

"What do you mean he's Mycroft's son?" John exclaimed, eyes wide as he regarded the green-eyed young man sitting casually on his sofa. When John had wanted a night of mindless sex, this was not what he had in mind. Slash.

After 2 years of marriage, Steve and Tony finally decides to adopt. They knew they can't expect to be prepared for everything that comes with parenthood but even they are out of their depth with little Harry and his inhuman intellect. Deaged!Genius!Harry. Slash. Steve/Tony. Other pairings may apply.

What if Pepper's mother got sick and Pepper had to leave Tony in order to take care of her? Enter Harry Potter, 25, gorgeous and mysterious as hell. Oh, he's also Tony's new assistant. AU. SLASH. Cameo from DC and other Marvel characters. Various Pairings. NEW CHAPTER! 05-04-14

When Odin realizes that Thor won't be enough to stop Loki, he finally decides to send his ultimate weapon, his third son, Prince Hadrian, who had once upon a time been the human wizard Harry Potter. Slash. Pairings up for debate.

Steve Rogers has worked hard to keep his relationship with Harry apart from the Avengers in order to maintain a small bout of normalcy…until Harry admits that she was more than just a down to earth university student. Fem!Royal!Harry. HPSR.

Abandoned in favor of his boy-who-lived brother, Harry grew up at an orphanage, lonely and wishing for a family. His life takes a dramatic turn however when he discovers a magical diary and through it, a young man who changes his entire perception of the world. Darker, unimaginably powerful and political, Harry is not anyone's pawn. But how does his brother comes in to this? Slash