Who Will Save Tony Stark in Avengers: End Game?

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So Guys Avengers 4 trailer is released and it left every one thinking about what is going to happen to Tony Stark , Is he going to die? i don't think so as marvel won't leave its most popular hero die in the starting of the movie in Avengers 4 . So we are left with the question that who is going to save Tony or will he save himself .There are many character in MCU who will could travel in space but the problem is that very few people only know where Tony (including NASA) is in the vast space .So here is the list of people who will or can save Tony Stark in Avengers : End Game.

VALKYRIE AND ASGARDIANS
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So we all know that half Asgardians were successful in escaping from Thanos in infinity war . So there is a chance they might get a distress call from the guardians ship , the same they have given the distress call to them in avengers infinity war.

CAPTAIN MARVEL
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There is very high chance for Tony Stark being rescued by Captain Marvel as nobody know where Captain Marvel really is so this gives the writers a lot of creative space to create a story for this scene and many plot leaks and fan theories are also pointing toward this thing.This might be the reason Nick Fury called Captain Marvel is Infinity war because Tony is earth greatest Defender and Now he is missing So Nick knows only Captain Marvel in space and he ask her to rescue Tony.

PEPPER AND WONG
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When Tony was leaving earth in the flying donut , he left after informing Pepper about the whole scenario and now he has given his last message to pepper about rescue . There are very less chance that pepper will go in her own suit to rescue Tony as many theories are suggesting because we don't how far Tony's ship is from earth , So there may not be enough power in suit to go out to Tony and then come back to earth.But another theory is that Pepper could ask wong for help and he could track Tony from his stuff or his child (as many theories are talking about) and then create a portal to bring Tony and Nebula back.

ROCKET
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After infinity war only Rocket and Nebula are left in Guardians team but this is what Rocket don't know as he have only seen Groot disappearing , So he will try to communicate to the guardians where he is expecting his team and here comes Nebula asking for help and here comes Rocket with Thor (from Bifrost) to rescue both Tony and Nebula .

TONY STARK

In the End Game trailer,We saw Tony Stark hitting the rock bottom of life . But its not the first time we are watching in this way . In Iron Man , we saw that when Tony was captured by Terrorist and He left all hope of living . Here he is motivated by Ho YinSen and used it to create his first Iron Man suit and escape out the prison alive. Except Yinsen , Tony is having Nebula with him which may do the same work for Tony . We have also seen this some sort of 3D printing tech which Rocket uses to repair his ship in Guardians of the Galaxy 2. These tech could also be their in the ship which Stark would use to repair his suit and ship .