Sure. One popular one might be those that blend the magical elements of Harry Potter like spells and wands with the intense fighting mechanics of Mortal Kombat. For example, a fanfiction could have Harry Potter characters engaging in Kombat - style battles in Hogwarts. However, you can find more by simply searching on fanfiction platforms using the keywords 'Harry Potter Mortal Kombat Fanfiction'.
Well, I'm not sure of specific titles off the top of my head. But in these fanfictions, you might expect to see characters like Harry, Hermione, and Ron using their magical skills in a Mortal Kombat - like tournament. It could be really interesting to see how the magic from Harry Potter interacts with the brutal fighting style of Mortal Kombat. You should check out some of the bigger fanfiction websites and search there.
There are some fanfictions that might explore the idea of Hogwarts students being trained in Mortal Kombat - style combat to defend against the Dark Arts. In these 'Harry Potter Mortal Kombat Fanfiction' works, the Forbidden Forest could be turned into a battle arena. The writers often have to be creative in merging the two very different universes. You can look for ones with high ratings and good reviews on fanfiction sites to start exploring.
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