Doomsday theory explains how Earth's Mightiest Heroes might have created Doctor Doom by accident in Avengers: Endgame.

Once you dive into Reddit, however, there’s no turning back unless you’ve got a special Quantum Realm suit, and that’s how I found a much older Endgame ... The Avengers will use the proton ...

In a clip released a few days ago, we also got to see Rocket in the same white suit ... How many of the Avengers will wear them while going back in time via the Quantum Realm?

On top of that, last year's "Avengers: Infinity War" and "Endgame" were shot back-to-back, so Hemsworth would have to transition in and out of the suit for "Infinity War" reshoots. Read more ...

Until, that is, Scott Lang (Paul Rudd) returned from the Quantum Realm with a plan. Ant-Man brought the Avengers into the fight in Endgame, and chances are it was going to be a similar situation ...

Matt Stuart: "Avengers ... to Tony Stark building his first suit in 2008's "Iron Man," which kicked off the entire MCU. One of the main plot points of "Endgame" is time travel.

At the beginning of the film "Avengers: Endgame," our superheroes ... travel within a framework of quantum mechanics. Ant-Man suggests the heroes use the quantum realm - a subatomic realm in ...