Well, in such a fanfiction, Harry could have found a magical fire - producing object that gives him the ability to fight the dragon with fire. He might have to learn how to handle this new power quickly while in the heat of the battle. The dragon, on the other hand, would use its natural abilities like flying and breathing fire in return. It would be a battle of wits and power.
Well, it would be quite a strange yet exciting scenario. Harry's magic skills would surely give the Allies an edge. He could use spells like 'Expelliarmus' to disarm enemy soldiers or 'Accio' to retrieve important items or intel. His invisibility cloak would also be a great asset for stealth missions.
His friends from Hogwarts like Hermione and Ron would most likely support him. They have always been by his side through thick and thin in the original story, so in the fanfiction, they would continue to support Harry in his fight against the Ministry.
Well, it could be that Harry Potter discovers an evil empire within the wizarding world that has been secretly controlling things. He then uses his magic skills and the help of his friends to fight against it. Maybe there are new dark spells and powerful artifacts involved in this fight.
If Harry Potter fights Imhotep in fanfiction, Harry would likely start with his go - to spells. He might try a Stunning Spell or a Shield Charm. Imhotep, on the other hand, would probably use his powers of necromancy. Harry would be at a disadvantage in terms of not being used to dealing with an enemy who can raise the dead. However, Harry has the advantage of speed and agility in combat, which he has learned from his years at Hogwarts. So it would be a very interesting fight to read about.
If we consider the nature of their powers, Odin is a god from Norse mythology. He has thousands of years of combat experience and powers over life and death in his own realm. Harry, though a very powerful wizard, is still young and learning. But Harry has the element of surprise. His magic is different from anything Odin has encountered. So, it could be that Harry could use his unorthodox magic to initially gain the upper hand, but in the long run, Odin's vast power and experience might tip the scales in his favor.
In a fanfiction where Harry Potter fights Sauron, Harry would be at a disadvantage in terms of raw power. Sauron is an ancient and extremely powerful being. However, Harry has his courage and quick thinking. He could use his ability to solve mysteries and puzzles. He might figure out a way to destroy the One Ring, which would be a huge blow to Sauron. But it wouldn't be easy as Sauron would be constantly trying to stop him.
Well, if Harry Potter were to fight the Hulk in fanfiction, Harry would likely be at a disadvantage initially. The Hulk's brute strength is on a whole different level. But Harry is smart and resourceful. He might use his invisibility cloak to get close and then hit the Hulk with a powerful blasting curse. The Hulk, though, would probably just get angrier and more powerful. It would be a really interesting battle to read about, with magic vs raw physical power.