There very well could be. Fanfiction writers often like to explore unusual crossovers. Since both Harry Potter and Thanos are extremely popular in their respective franchises, it's a ripe area for creative exploration. However, the quality and availability can vary greatly depending on the fanfiction platforms you search on.
The Order of the Phoenix members might also back Harry. They've fought against the dark forces before and if they see that the Ministry has become a threat, they'd side with Harry. Dumbledore's old allies in the Order would believe in Harry's judgment and join him in his mission to destroy the corrupt Ministry.
Well, Harry could be more confident in his own power. In the normal series, he had doubts about his abilities at times. But in this scenario, if he's set on destroying Snape, he has to be certain of his magic. He would be more decisive, not hesitating to use his skills against Snape. Also, his relationships with other characters might change. Some might see him as too aggressive in his pursuit of Snape, while others might support him wholeheartedly, creating a divide among his friends.
Well, it's a very dark and unorthodox concept. In the original series, Dumbledore is a mentor figure to Harry. In fanfiction, if Harry were to destroy Dumbledore, it could signify a major deviation from the core values of the original story. It might be exploring themes of betrayal, a different view of power dynamics, or a radical re - interpretation of the characters' natures.
Probably not. Given that the Weasleys are beloved characters in the Harry Potter universe, a fanfiction with such a negative and extreme concept as Harry destroying them is likely to be off - putting to a large number of fans. Fans usually look for fanfictions that expand on the positive aspects of the story, like friendships and adventures, rather than something so dark and against the norm.
I'm not sure about the specific plot of this fanfiction as it sounds rather unorthodox. It could be a very dark or alternate - universe take on the Harry Potter world where Harry goes against the Weasleys for some extreme reason.
I have no idea who the author of that fanfiction is. There are so many fanfiction writers out there, and without more information it's impossible to determine.
I'm not entirely sure specifically what that particular fanfiction is about. It could be a creative take where Harry Potter, using his magic perhaps, destroys some sort of blocks in a unique and made - up scenario. Maybe it's related to a magical construction that has gone wrong and he has to break the blocks to fix things.
I'm not sure if it's popular. Fanfiction can range from very well - known and widely read to extremely niche. Without more information about this specific piece, it's hard to say if it has a large following.
I'm not sure specifically what that particular fanfiction is about. It could be a very dark or alternate - universe take on the Harry Potter story where Harry turns against Dumbledore for some reason, perhaps feeling betrayed or misled by him in this fan - created scenario.