The Marvel Zombies universe stands as one of the darkest realities ever created, where Earth's mightiest heroes transform into its greatest nightmare. While recent cinematic adaptations suggest a biological cause, the original comic book source reveals a far more disturbing and paradoxical cosmic origin. This analysis explores the complete history of Earth-2149, detailing how a single event initiated a time loop that eventually consumed Galactus and the entire universe. We examine the complex mechanics behind the virus, the psychological horror of intelligent undead heroes who retain their personalities, and how the comic book narrative differs significantly from the cinematic universe version. This channel explores the darkest alternate timelines and character origins within the Marvel comic book multiverse. Timestamps: 0:00 - The End of Heroes 0:38 - The Flash in the Sky 1:19 - The Fall of the Avengers 2:09 - Spider-Man's Tragedy 2:47 - The Madness of Reed Richards 3:34 - The Siege of the X-Mansion 4:28 - The Fall of S.H.I.E.L.D. 5:21 - The Snack in the Lab 5:57 - The Silver Surfer Arrives 6:38 - The Power Cosmic 7:26 - Galactus vs. The Zombies 8:31 - The Cosmic Scourge 9:06 - The Return 10:13 - The Time Loop Paradox 11:00 - The MCU Difference 11:04 - Why It Still Haunts Us 12:03 - The Hunger Never Ends