Well, perhaps during one of his adventures outside of Hogwarts, like when he was exploring some ancient ruins. There could have been a magical trap and as he overcame it, the Infinity Gauntlet was his reward. It could also be that some dark wizard had it and Harry defeated him in a duel and took it as a trophy.
He might find it in a hidden chamber in Hogwarts. Maybe it was left there by a powerful wizard from long ago who had some connection to other universes.
The plot might involve Harry accidentally stumbling upon the Infinity Gauntlet in the Room of Requirement. As he tries to figure out what it is, he discovers its immense power. However, the Ministry of Magic wants to use it for their own gain. Harry has to decide whether to keep it safe from the Ministry or use it himself to finally defeat all the dark forces that still lurk in the wizarding world.
He could gain the power to control time, which would be really useful in the wizarding world. He could go back and prevent some of the bad things that happened, like the death of his parents.
He would probably become extremely powerful. He could use the Infinity Stones' powers to defeat Voldemort in an instant. For example, the Power Stone could enhance his magic to an unimaginable level, and the Time Stone might allow him to go back and prevent bad things from happening in the wizarding world.
In some fanfiction, Spider - Man might obtain the Infinity Gauntlet through a stroke of luck. Maybe it just falls into his hands during a battle in an alien - invaded New York. Another way could be that he is chosen by some powerful cosmic entity to be the wielder of the gauntlet for a specific purpose, like restoring balance to the universe.
Dumbledore. He has the wisdom and experience to handle the immense power of the Infinity Gauntlet. He could use it to restore balance in the wizarding world in ways that others might not think of. For example, he could use it to heal the long - standing divides between different wizarding communities, like the pure - bloods and the Muggle - borns, in a more permanent way.
It would change drastically. He'd be much more powerful than before. He could easily end the war against Voldemort.
In certain comic arcs, the Infinity Gauntlet can break due to various powerful forces or circumstances. It all depends on the specific plot and villains involved.
The Infinity Gauntlet comic concludes with a showdown between powerful forces. The fate of the universe hangs in the balance, and the outcome is both unexpected and satisfying. There are sacrifices made and new beginnings.
The Infinity Gauntlet ends with a mix of heroism and sacrifice. Many characters play crucial roles in thwarting Thanos' plans, and the story wraps up with a sense of hope and resolution for the comic universe.
In a Batman Infinity Gauntlet fanfiction, Batman would face a moral dilemma. The power of the gauntlet is immense and corrupting. He would have to struggle with whether to use it for what he believes is the greater good or to resist its allure completely. He could also encounter other powerful beings from the DC universe who either want to take the gauntlet from him or help him control its power.