If the Infinity Stones can do anything, why could they not bring this dead character back?
When
Black Widow sacrifices herself
in Avengers: Endgame, it is said she cannot be brought back, because she was exchanged for the Soul Stone.
Yet Gamora, who was sacrificed for the Soul Stone came back, even though it was through time travel. Bruce explains that the time travel doesn't work like in other movies, you cannot change the present by changing the past. So should she stay dead?
Best Answer
You can't bring back anyone who was sacrificed for the Soul stone in a particular timeline. The Gamora in Endgame was the one from 2014 that time travelled along with Thanos and Nebula.
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Can the reality stone bring back the dead?
In this case, the writers clarified that Iron Man can't be resurrected as the Gauntlet can only be used to bring back those artificially killed by it (see: the half of the universe reduced to dust by Thanos). \u201cThe Gauntlet, as of yet, has not brought back anybody to life that wasn't removed by the Gauntlet.Can the Infinity Gauntlet bring people back to life?
And, again in theory, getting rid of that timeline in which Black Widow sacrificed herself for the Soul Stone could in turn bring her back.The Truth Of Why Strange Didn't Revive Tony Stark In Avengers Endgame
More answers regarding if the Infinity Stones can do anything, why could they not bring this dead character back?
Answer 2
The process for earning the Soul Stone is irreversible. Returning the stone simply wouldn't bring the dead one back. The soul exchanged for this stone will be sealed in that place forever.
From this interview with Joe Russo,
Q: Can you get the soul your sacrificed for the Soul Stone back when you return it?
A: No, the process is irreversible. Even if you have returned it to its original location, you wouldn’t be able to get the person back. In fact, it’s not really returning the Stone, more like put it back properly. The tribute soul for the Soul Stone will forever be sealed in that place, therefore Black Widow is gone forever.
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