The Marvel Cinematic Universe has always thrived on mysteries, surprises, and interconnected storytelling. But there’s one lingering idea that’s been circling my mind ever since Avengers: Doomsday was announced. The teaser ended with a chilling line:
“It all leads to Doomsday.”
And the more I think about it, the clearer it becomes — everything happening now was set into motion long ago by He Who Remains.
The Sacred Timeline: A Prison Disguised as Order
When Marvel introduced the Sacred Timeline, it seemed like a clever narrative device to explain the chaos of the multiverse. But in truth, it was a carefully constructed loop created by He Who Remains after a cataclysmic multiversal war. A reality where free will was stripped away, and anyone deviating from the plan was swiftly pruned by the TVA.
We saw this play out firsthand when Loki was plucked from his timeline, only to realize he was still playing his part in He Who Remains’ grand design. Even rebellion was part of the script.
Loki’s Crucial Role: The God of Mischief as the Key
Loki always felt like an unpredictable wildcard, but in this carefully controlled universe, his every move was anticipated. From escaping with the Tesseract to meeting He Who Remains, it was all by design. His role?
To ultimately ascend to the throne at the End of Time and hold the multiverse’s fate in his hands.
But what came next was no coincidence. The moment Loki sat on that throne, the floodgates opened.
The Rise of Doctor Doom, Fantastic Four, and X-Men: A Preordained Chaos
Immediately following Loki’s ascent, announcements of Doctor Doom, Fantastic Four, and the long-awaited X-Men surfaced for Avengers: Doomsday. And this isn’t mere coincidence. It’s the next phase of He Who Remains’ loop.
A massive battle is inevitable. Doctor Doom will rise, defeat the heroes, destroy the world, and forge his own Battleworld amidst the chaos of multiversal incursions.
The Real Endgame: Defeating Doctor Doom
Back in Loki Season 1, He Who Remains spoke of a war among his variants. But what if the true purpose of that war wasn’t to destroy each other — it was to stop Doctor Doom?
This theory suggests that despite apparent changes, the Sacred Timeline continues its cycle. Loki might have lived this loop countless times, always trying to break it, always ending up in the same place. It all leads to Doom.
Why X-Men and Fantastic Four Were Erased
An intriguing twist in this theory is the absence of mutants and the Fantastic Four in the MCU so far. The explanation?
He Who Remains, using genetic manipulation, erased mutant genes, preventing the rise of the X-Men.
As for the Fantastic Four, it’s speculated that Reed Richards’ intellect posed a threat to the cycle. His potential to understand and possibly disrupt the Sacred Timeline would have been too dangerous, so they were erased too.
The Endless Cycle — Or Is It?
Even after Loki grants free will and opens the multiverse, if we’re still trapped in He Who Remains’ loop, it wouldn’t be surprising. Every battle, every rebellion, every “choice” might just be another step in the cycle.
And if Doom’s reign and the creation of Battleworld is part of this endless loop, perhaps the upcoming Secret Wars film will finally shatter it.
The Best Part: No Kang Required
What makes this theory even more compelling is that it doesn’t require the return of Kang or He Who Remains (especially amidst off-screen controversies). This entire narrative can be driven by Loki alone — a character fans already love and root for.
Imagine witnessing Loki uncover this endless cycle, confront Doom, and finally make the one decision that breaks the loop forever.
Conclusion: Fan Theories Are Beautiful, Even If They’re Not True
The beauty of fan theories lies in their ability to reimagine stories and keep the community engaged. Whether this theory turns out to be true or not, it offers a fascinating lens through which to view the future of the MCU.
As always, whatever comes to my mind, I bring it to you. A few days ago, we even explored this theory on a podcast. It’s been living rent-free in my head for a long time, and now it’s yours to ponder.
Because, in the end — It all leads to Doomsday.
Avengers: Doomsday releasing on 18th Dec, 2026.
Which side are you on? Are we still in He Who Remains’ loop, or is Loki finally free? Share your thoughts in the comments!
Read More: “God Emperor Doom HUMILIATED Kang the Conqueror!- Leaks That Confirm This Happening”
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Hi, I’m KABIR, a passionate blogger & web story creator dedicated to sharing insightful content on entertainment, sports, trends, science, history etc. With a focus on quality, authenticity, and value, I aim to inform, inspire, and engage readers through every post. Welcome to my corner of the web.