Why can Vision lift Thor's hammer?

In the Marvel Universe, Vision is able to lift Thor's hammer, Mjölnir, because he is considered "worthy" by the hammer's magical enchantment. Here's the reasoning behind it:

The Enchantment of Mjölnir

Thor's hammer, Mjölnir, is enchanted with a powerful spell by his father, Odin, which states:

"Whosoever holds this hammer, if they be worthy, shall possess the power of Thor."

This enchantment has long been a central theme in Marvel comics and movies, serving as a measure of a person's character and worthiness. The hammer can only be lifted by those who have proven themselves worthy — and this has not always been about physical strength but about moral purity, integrity, and a noble heart.

Why Vision Can Lift Mjölnir

Vision is able to lift Mjölnir in both the comics and the Marvel Cinematic Universe (MCU) for a couple of reasons:

1. Pure Intentions: Vision, as an artificial being created from the combination of Tony Stark's AI (J.A.R.V.I.S.), the Mind Stone, and the body of the synthetic form crafted by Ultron, is considered to have a pure heart and noble intentions. His morality is not questioned, and he acts selflessly, without the self-interest that might corrupt other beings.

2. No Malice or Desire for Power: Vision does not have the arrogance, greed, or selfish desire that other characters (such as Loki or some other villains) may have. In Avengers: Age of Ultron (2015), Vision is depicted as a being who is dedicated to protecting others, which aligns with what Odin's enchantment likely sees as "worthiness."

3. The Power of the Mind Stone: Vision’s connection to the Mind Stone might also influence his ability to lift Mjölnir. The stone gives him immense power and intellect, and he is often depicted as one of the most powerful and selfless heroes, making him worthy in the eyes of Mjölnir’s enchantment.

Vision's Worthiness in the MCU

In Avengers: Age of Ultron, Vision lifts Mjölnir as a demonstration of his worthiness, a moment that surprises the other Avengers, especially Thor and Captain America. When Vision lifts the hammer with ease, it signifies that his character, even though he is an artificial intelligence, has passed the test of worthiness. This moment also serves to show how much Vision has grown and how he is seen by the universe.

Key Points from Marvel Comics:

In the comics, the issue of who is "worthy" to lift Mjölnir has been explored multiple times. Vision has proven to be worthy because he upholds noble values and acts with honor and justice. In some storylines, Thor himself has lost the ability to lift Mjölnir due to flaws in his character or when he is deemed unworthy, but characters like Captain America (Steve Rogers) and Beta Ray Bill have been able to wield Mjölnir due to their own qualities of worthiness.

In conclusion, Vision can lift Thor's hammer because he is truly worthy, acting with pure intentions, selflessness, and dedication to the greater good — qualities that align with the essence of the enchantment.