Probably not. It seems like a rather odd and specific concept that might not appeal to a large number of fans. Most fans are more interested in the main storylines, character relationships, and the magical elements as they are in the original series.
Definitely not. The original Harry Potter books promote values such as acceptance, courage, and unity. Genocide is the opposite of all these. Fanfiction should, at least to some extent, stay true to the spirit of the original work, and a genocide - themed fanfiction is far from that. It can also be very offensive to many fans who love the series for its positive and hopeful messages.
Well, in Harry Potter fanfiction, he could be in any kind of world. Maybe a world where wizards rule openly, or one where magic is fading away. It's really up to the creativity of the fanfic writer.
Kickass isn't a Marvel comic. Marvel has its own distinct roster of characters and storylines, and Kickass doesn't fall into that category. It has its own unique creators and publishing history.
Kickass was not initially a comic. It might have started as an online concept or perhaps a story in a different medium before being adapted into a comic, if at all.
Kickass had a mix. Certain key elements were in line with the comics, but there were also additions and alterations. It's a matter of personal perception whether it was truly close.
No. 'Twilight' is an entirely separate and original work with its own unique story, characters, and themes. It has no relation to being a 'Harry Potter' fanfiction.
Yes, in some fanfictions, Harry Potter can be depicted as being homeschooled. Fanfiction writers often take creative liberties and may explore different educational scenarios for the characters.