The Infinity Stones were immensely powerful. Harry clearly remembered that in the comics, their power was far more than merely being able to barely beat up a Watcher.
In fact, in the comics' earliest version, a single Infinity Stone possessed the mighty power to contain an entire multiverse.
In Marvel's earliest stories, all six Infinity Stones had originally been a single lonely entity, the only existence in the universe. It was reality, and reality was it, so the very notion of strength or weakness held no meaning for it.
In other words, by the definition of the Infinity Stones, they were actually older than the Cosmic Deities.
And that was indeed the case. In the earliest version, the Infinity Stones were the most powerful treasures in the multiverse. As long as one knew how to use them, a single thought could turn these so-called Cosmic Deities into stone statues.
But why had the Infinity Gauntlet become what it was now?
From a higher-dimensional perspective, the explanation was that it made for better movies—but from the Marvel Universe's perspective, there were traces to follow as well.
In the comic Infinity Gauntlet, Thanos gathered every Infinity Stone and beat the multiverse's gods until they howled, only for Adam Warlock to take them back in the end. Throughout the process, the multiverse's five great deities were casually ground into the dirt, utterly powerless before the Infinity Gauntlet, like four jokes.
So they sought out a deity beyond the multiverse: the Living Tribunal.
Before the Living Tribunal, the Infinity Gauntlet was no different from an ordinary glove, and the Infinity Stones were the same. By their ruling, the Infinity Stones were forbidden from being used together, and their uniqueness was revoked, leaving each individual universe with its own set.
Of course, because certain changes