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20 Endgame Theories That Actually Might Be True

Even though Spider-Man: Far From Home technically marked the end of the Marvel Cinematic Universe's Phase 3, Avengers: Endgame truly felt like the conclusion of the Infinity Saga which began all the way back when Tony Stark first stated to the world "I am Iron Man." The crossover epic brought together nearly every hero we've grown to know and love over the past decade of Marvel films, and its dramatic ending has viewers wondering what could possibly come next for the remaining members of Earth's Mightiest Heroes.

Marvel has finally revealed their slate of films and television shows for Phase 4, but those titles and brief spoilers didn't do much to answer the many questions raised by Endgame.  Fans are doing their best to fill in the blanks and figure out the MCU's future plans by posting various theories online, and while most of these theories are outlandish and highly unlikely, a select few are actually supported by the comics and might be plausible. Here are 20 Endgame Theories That Actually Might Be True.

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20 OLD MAN CAP WAS AT PEGGY'S FUNERAL

via: screenrant.com

When Steve Rogers went back in time to return the Infinity Stones to the past, he decided not to return to the present so he could live out his dream and grow old with Peggy Carter. This suggests that a second Steve was in the MCU all along.

One popular fan theory is that Old Man Cap came out of hiding and actually crossed paths with his younger self in Civil War, during Peggy's funeral. One of the pallbearers carrying the S.H.I.E.L.D. founder's coffin shared his gray locks, so this might actually be a valid possibility.

19 THE AVENGERS' TIME MACHINE CAN KEEP THE HEROES YOUNG

via: comicbook.com

In the comics, heroes don't really age. Characters like Spider-Man and Black Panther have been around for decades, but they barely look any older now than they did when they were first created. The stars of the MCU can't stop aging, but Endgame's time machine could keep their characters in the franchise long after they're too old to keep portraying them.

During Professor Hulk's time machine tests, he was able to make Scott Lang younger. Whenever MCU actors get to be too old for their characters, the heroes can go into the machine and come out portrayed by a younger actor.

18 SCARLET WITCH COULD HAVE DESTROYED THANOS SINGLE-HANDEDLY

via: cbr.com

So far in the MCU, Scarlet Witch has seemed very under-powered compared to her comic book counterpart. In the comics, she can change reality and wipe out entire species with a simple spell, but she hasn't done anything nearly that significant on the big screen.

Wanda showed a glimpse of her true potential in Endgame, though, when she nearly beat Thanos all on her own. Fans are speculating that Thanos' war ships didn't intervene, she could have taken him down solo. We'll never know if that's true, but even Marvel Studios president Kevin Feige supports that theory.

17 LOKI STEALING THE TESSERACT CREATED AN ALTERNATE UNIVERSE

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During Endgame's "time heist" in the past, the Tesseract found its way back into Loki's hands, and the trickster god used it to escape his imprisonment following the events of Avengers. Steve Rogers managed to return the Tesseract to the past at the end of the film, but this wouldn't have stopped Loki from potentially creating an alternate timeline and getting away.

Marvel confirmed this theory at San Diego Comic Con, when they said the Loki television series will follow Endgame's escapee as he navigates the new reality he created by stealing the Tesseract.

16 ENDGAME WON'T BE THE ONLY GATHERING OF THE A-FORCE

via: deadline.com

For an all-too-brief moment in the Avengers' ultimate battle against Thanos and his army at the end of Endgame, the powerful women of Earth's Mightiest Heroes joined forces to help clear a path for Captain Marvel. It was one of the most exciting scenes in the entire film, and many fans are begging Marvel to reunite the all-female A-Force again.

Theories are circulating that the MCU is in fact planning an A-Force reunion in a future phase, especially after seeing the success of Captain Marvel and the fan excitement surrounding Black Widow.

15 STAN LEE PORTRAYED OLD MAN CAP IN HIS CAMEOS

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One of the most amusing fan theories that came out of Avengers: Endgame is the one that in all of Stan Lee's MCU cameos, the comic legend was actually supposed to be Old Man Steve Rogers keeping an eye on his teammates' adventures.

It's unlikely this was Marvel's intent, but the theory fits many of Lee's appearances. For example, it would make sense that Steve Rogers would want to drink with the Avengers in Age of Ultron and work as a guard at a Captain America museum exhibit in Winter Soldier.

14 RETURNING THE SOUL STONE BROUGHT BACK NATASHA AND GAMORA

via: cinemablend.com

In order to obtain the Soul Stone from Vormir, one must sacrifice a soul for a Soul and give up someone they love. Thanos threw Gamora off a cliff to acquire the Infinity Stone, and Black Widow jumped off so Hawkeye could get it during the Avengers' time heist.

Clint said that the Red Skull stated this sacrifice was a irreversible contract, but many fans still believe it's possible that when Steve Rogers returned the Soul Stone, he was able to bring Gamora and Natasha back to life.

13 RED SKULL WILL BE RETURNING TO EARTH SOON

via: comicbook.com

According to the Russo Brothers, when Thanos took the Soul Stone from Vormir, Red Skull's duties as Stonekeeper were complete and he was finally free to leave the deserted planet and return to Earth. Steve Rogers took a trip to Vormir to return the Stone in Endgame, and it's definitely possible that he helped his old rival escape Vormir after doing so.

Cap isn't one to let anyone—even an evil villain—suffer on a remote planet. So he might have brought Red Skull back with him, allowing the HYDRA leader to return to the MCU.

12 TONY STARK CAN COME BACK AS AN A.I.

via: screenrant.com

When Tony Stark used the Infinity Stones to snap away Thanos and his army, his sacrifice took one of Marvel's most beloved heroes out of the MCU. Unsurprisingly, many fans are looking to the comics for theories on how Iron Man can return.

In the comics, Tony created an A.I. version of himself that could fulfill his duties as the armored Avenger when his actual body was unable to do so. It's definitely possible that the MCU's Tony thought to make a similar artificial copy of himself before that fateful battle.

11 THOR IS OFFICIALLY A GUARDIAN OF THE GALAXY

via: inverse.com

Instead of returning to New Asgard at the end of Endgame to rule over his people, Thor chose to leave Valkyrie in charge so he could find his true purpose in life alongside the Guardians of the Galaxy.

Marvel revealed at SDCC that Thor will star in Phase 4's Thor: Love and Thunder, and only briefly mentioned plans for a third Guardians film, so his status on the Guardians isn't quite clear. But the fan theory that he's an official member of the team is likely accurate.

10 FANS SHOULDN'T EXPECT ANY MORE AVENGERS FILMS

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Many fans are theorizing that Endgame marked the final Avengers film in the Marvel Cinematic Universe, and sadly, this seems to be a real possibility. Kevin Feige unveiled a very packed slate of films for Phase 4 at San Diego Comic Con, and that didn't include a 'Earth's Mightiest Heroes' crossover.

It's hard to picture the Avengers without Black Widow, Captain America and Iron Man, but it's still tragic to think that we may never see several of our favorite heroes team up again.

9 THANOS IS MERELY TRAPPED IN THE SOUL STONE

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Thanos was without a doubt one of the most well-developed, formidable villains to ever appear in the MCU, so fans are of course scrambling to come up with ways to bring the Mad Titan back sometime in the future.

One theory suggests that when someone uses the Infinity Gauntlet to snap away people's lives, those people are actually trapped inside the Soul Stone instead of truly eliminated. There is a Soulworld pocket dimension inside of that Stone in the comics that justifies this possibility, and Thanos could in fact be hiding away there.

8 CAPTAIN MARVEL COULD HAVE USED THE GAUNTLET AND SURVIVED

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Doctor Strange told Tony Stark that there was only one timeline where the Avengers defeated Thanos, and it seems like the Sorcerer Supreme believed that the heroes' only path to victory was through Iron Man's ultimate sacrifice.

He didn't know about Carol Danvers when he peered into the future, though. Captain Marvel briefly held the Infinity Gauntlet, and her immense cosmic power might have helped her survive snapping away Thanos and his army. No one can figure out why she didn't just fly up where no one could stop her and use the Gauntlet herself.

7 IT'S SCARLET WITCH'S TURN TO PLAY WITH TIME TRAVEL

via: cinemablend.com

Very little is known about Marvel's upcoming WandaVision television series for Disney+, but it seems it'll take place in some sort of alternate past reality. After learning of the Avengers' time travel shenanigans in Endgame, it's possible that Scarlet Witch will be inspired to toy with time herself.

Since Vision perished in Infinity War, Wanda might go back in time to rescue him and then bring him to an alternate reality where the two of them can live in peace and resume their relationship.

6 THANOS CREATED GALACTUS

via: movieweb.com

Thanos spent decades gathering his army and locating the Infinity Stones so he could enact his plan to eliminate half of all life in the universe when the time was right. It's very unlikely that someone that intelligent and patient didn't come up with a backup plan just in case something went wrong.

Some fans believe that he may have used the Gauntlet to create Galactus, the iconic world-eater of Marvel Comics. Galactus would surely help wipe out some planets to help bring "balance" to the universe if the Infinity Gauntlet wasn't enough to accomplish that.

5 GAMORA WILL REJOIN THE GUARDIANS OF THE GALAXY

via: denofgeek.com

Even though the time-displaced Gamora teamed up with the present Nebula to help the Avengers defeat Thanos, she left the battle unsure of her place in this new timeline. She technically never met the Guardians of the Galaxy, so she chose not to join them at the end of the film.

4 HARLEY KENNER WILL REPLACE TONY STARK

via: cbr.com

The majority of the faces at Tony Stark's funeral were easily identifiable, but one particular individual who came to pay tribute to the fallen hero perplexed many viewers. The credits revealed that it was Harley Kenner—Tony's young ally from Iron Man 3—all grown up.

This was likely just a fun Easter egg, but some fans think it means Harley will try to follow in his old mentor's footsteps and become Iron Lad, an armored hero inspired by Iron Man. Harley learned about Tony's equipment first-hand, so this definitely could happen.

3 A YOUNG AVENGERS TEAM-UP COULD BE COMING

via: inverse.com

While there may not be plans for another Avengers film any time soon, the success of Tom Holland's Spider-Man films, the impending introduction to Kate Bishop in the Hawkeye Disney+ series, and fan obsession over Shuri suggest that a Young Avengers team-up could be a surefire hit for the MCU.

These young heroes would make for an excellent team, and they could continue to work together long after the MCU's adult stars become too old to portray their characters. If Marvel isn't planning on pursuing this option already, they should seriously start considering it.

2 FALCON WILL TAKE ON THE MANTLE OF CAPTAIN AMERICA

via: screenrant.com

Endgame concluded with Steve Rogers handing his iconic shield over to his friend Sam Wilson. It seemed like this would lead to Wilson dropping his Falcon persona and becoming the new Captain America, but since his upcoming series is titled The Falcon and the Winter Soldier, it's clear that that's not Marvel's plan just yet.

This won't remain the case for long. Sam does become Captain America in the comics, and he'll surely officially adopt that moniker at some point in the Disney+ series.

1 A DARK AVENGERS TEAM-UP IS COMING

via: screenrant.com

Most of the villains of the Marvel Cinematic Universe perish in their first or second appearance, but a select few were allowed to live and remain threats that are simply lurking in the shadows, waiting for their chance to return.

Some theories suggest that these villains will team up under the leadership of Norman Osborne, and become a Dark Avengers team. Characters like Abomination, Yellowjacket and Red Skull have been criminally underutilized thus far, so it'd be great for this fan dream to become a reality.

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