How did Tony get the stones off the gauntlet?

Because the “Iron Gauntlet” that Thanos was wearing is made of the same nanotech as Tony Armor, Iron Man was able to simple manipulate the nanobytes in both gauntlets to shift the Infinity Stones over to his hand, instead of Thanos’.

What if they got the gauntlet off?

Had the gauntlet come off, Thanos would have broken free and slaughtered them all.” That means Star-Lord’s actions ensure that the Avengers, including Iron Man, stay alive and capable of stopping Thanos in Avengers: Endgame, even if it does take them five years to come up with the plan.

How did Thanos get the Infinity Gauntlet?

Having never established that the gauntlet needs to be made from a special type of material to work, not to mention already knowing what the device should look like, Stark was able to recreate the Infinity Gauntlet on Earth. It’s unclear at what point Thanos went to Nidavellir to create his own gauntlet, but at most, he only had the Power Stone.

Why did Tony Stark make a new Gauntlet in Endgame?

Following their successful acquisition of the Infinity Stones, the heroes needed an Infinity Gauntlet to hold it all together in Avengers: Endgame. So, Tony Stark/Iron Man (Robert Downey Jr.) created a brand new one.

Are Thanos’ space-made metals stronger than the stones?

The user, u/rgtxd26, believes Thanos’ space-made metals are stronger in order to take some of the hit of the Snap and we’re picking up what they’re putting down. ‘I think the Nidavellir-made Gauntlet which is a strong metal absorbed some of the powers of the Stones resulting in the damage of the Gauntlet when the Snap occurred,’ they continued.

How does Bruce Banner’s Gauntlet work?

Design-wise, the gauntlet worked like his Iron Man one. It has the ability to adjust size depending on its wearer (a benefit of Stark using nanotech to create the Infinity Gauntlet), hence why it expanded when Bruce Banner decided to step up and offer to do the second snap.