Could RDJ Doctor Doom Kill Spider Man—and Unleash Venom in the MCU Wildest Twist Yet?

RDJ Doctor Doom vs. Spider-Man: The Ultimate MCU Showdown?

Hold onto your webs, Marvel fans Robert Downey Jr. might return as Doctor Doom in Avengers: Doomsday, and rumors say he’s gunning for Tom Holland’s Spider-Man. Yep, you read that right. Imagine Tony Stark’s face (literally) as the villain who ends Peter Parker. Talk about a gut punch!

But why would Marvel do this? Simple: shock value and nostalgia. RDJ’s Iron Man mentored Spider-Man in the Infinity Saga. Now, seeing him as Doom—a genius in armor, but way darker—creates a twisted full-circle moment. Picture Peter’s horror when his hero’s face hides a universe-ending threat.

The “Anchor Being” Theory: Why Doom Needs Spider Man Dead

Here’s where things get wild. Deadpool & Wolverine introduced the idea of “Anchor Beings”—characters whose deaths destabilize their universes. In Logan, Wolverine’s death doomed his world. Now, a viral theory by Comicodigy suggests Spider Man is Earth-616’s Anchor Being.

If Doctor Doom believes killing Anchor Beings (like Peter) will save his universe from multiversal incursions, Spider-Man becomes target #1. This sets up a heartbreaking clash: RDJ’s Doom vs. Holland’s Spidey. And if Peter dies? Cue chaos—and a sneaky Symbiote rescue.

Venom MCU Comeback: How Spider-Man’s Death Unleashes the Symbiote

Remember that Venom goo left behind in Spider-Man: No Way Home? Theory time: If Doom kills Peter, the leftover Symbiote could revive himVenom-style. In Sony’s Venom: The Last Dance, the Symbiote saved Eddie Brock repeatedly. Why not do the same for Spidey?

  • Venom MCU Comeback: How Spider-Man’s Death Unleashes the Symbiote
    Venom MCU Comeback: How Spider-Man’s Death Unleashes the Symbiote

This twist would finally merge Venom into the MCU and mirror Spider-Man’s iconic black suit era from Marvel’s Secret Wars comics. Plus, it sets up a darker, edgier Peter Parker—one struggling with the Symbiote’s influence.

Knull Alert: The Real Villain Hiding in Plain Sight

But wait—there’s a bigger threat. Venom: The Last Dance introduced the “Codex”, a MacGuffin tied to Knull, the god of Symbiotes. When Venom bonds with a host (like Eddie or Peter), it creates a Codex that could free Knull from prison.

Doctor Doom - Spider Man

If Venom revives Spider-Man in Doomsday, their bond might forge a new Codex. And guess who’d come knocking? Knull, a multiversal nightmare who’d make Thanos look like a toddler. This sets up Spider-Man 4 perfectly: Peter vs. Venom and Knull, with RDJ’s Doom pulling strings in the background.

What This Means for Spider-Man 4 (and the MCU’s Future

Marvel hasn’t confirmed Spider-Man 4 villain, but the pieces fit:

Doctor Doom - Spiderman Venom
  • Knull as the big bad (finally bringing the Symbiote king to live-action).
  • Venom as both ally and enemy (classic comic chaos).
  • Doctor Doom lingering as the puppet master of Phase 6.

Plus, with the Multiverse Saga climaxing, Spider-Man’s death-and-rebirth arc could redefine the MCU. Imagine a post-Doomsday world where Peter battles the Symbiote’s corruption while stopping Knull’s invasion. Bonus points if Andrew Garfield or Tobey Maguire swing in to help.

Why Marvel Needs This Storyline

Doctor Doom
  1. Nostalgia + Shock: RDJ’s return as a villain? Iconic.
  2. Venom’s Payoff: That post-credit Symbiote tease needs a payoff.
  3. Knull’s Debut: The MCU lacks a cosmic horror villain—Knull fits the bill.

The best part? This theory ties up loose ends (What’s the Symbiote doing? Where’s Knull?) while delivering the emotional punches Marvel’s known for.

Final Take: If Marvel goes this route, Avengers: Doomsday could be the MCU’s most game-changing film yet—blending legacy characters, comic lore, and fresh twists. And hey, if Spider-Man dies? At least we’ll get Venom’s snarky one-liners to lighten the mood.

What do YOU think? Could RDJ’s Doctor Doom really kill Spider-Man—or is this theory too wild? Let us know!

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