Joe and Anthony Russo are weighing in on Captain America's Avengers: Endgame arc.
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Old Man Cap waiting on a bench has become one of Endgame's biggest mysteries.
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Steve Rogers headed back in time to return the Infinity Stones to their rightful place.
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The confusion surrounding Cap's ending came up in a recent Reddit AMA.
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One Redditor questioned how Cap returned to 2023 without using his Quantum Suit.
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Bruce Banner previously explained how heading back in time creates an alternate timeline.
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The Russos' claim Rogers did use Pym Particles and his suit.
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However, his return to the present didn't happen at that exact moment.
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Endgame's timeline trickery clearly continues to be a point of contention for fans.
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