The Marvel Cinematic Universe is no stranger to surprise cameos, but this latest rumor has fans losing their minds: Ryan Reynolds’ Deadpool might be showing up in the upcoming Avengers: Doomsday and possibly Avengers: Secret Wars.

The spark? A cryptic social media post from Reynolds—an Avengers logo paired with a simple “WHAT”—and suddenly the internet was deep into speculation mode. Marvel hasn’t confirmed anything… but they haven’t denied it either. Let’s break down why this rumor has so much weight and what it could mean for the future of the MCU.

1. The Rumor Mill Ignites

• Reynolds’ cryptic "Avengers logo + WHAT" post sent fans into overdrive. The Independent+10EW.com+10Indiatimes+10

• Official cast list for Avengers: Doomsday didn’t include Deadpool—but other X-Men characters are confirmed. Wikipedia+15Wikipedia+15Indiatimes+15

2. Marvel Isn’t Denying It

• Kevin Feige said, “we’re in touch with Ryan a lot.” No confirmation yet, but the door isn’t closed. CBR

• Reynolds himself has cautioned the character might never be an official Avenger—saying that would mark "the end of his arc." ComingSoon+4Cinemablend+4GamesRadar++4

3. Perfect Timing: Phase 6 Arrives

• Doomsday and Secret Wars are set to cap off the Multiverse Saga, with massive ensemble casts and returning icons. Wikipedia+6Wikipedia+6CBR+6

• Marvel skipped SDCC 2025 to protect its Doomsday secrets. EW.com

4. Why Deadpool Makes Sense (And Why It’s So Fan-Worthy)

• He's irreverent, meta, and untethered from the typical MCU template—perfect for a cameo or surprise. CinemablendWikipedia

• A crossover builds on the multiverse momentum, injecting humor and unpredictability that Avengers films sometimes miss.

• Plus, Deadpool & Wolverine grossed $1.3 billion—Marvel may want that edge heading into major ensemble films. CinemablendWikipedia+10Wikipedia+10EW.com+10

SEO & Algorithm Tips

• Use headings like “Deadpool Tease”, “Feige’s Comments”, “Phase 6 Momentum” to align with both human readers and AI/SEO models.

• Sprinkle keywords naturally: Deadpool in Avengers, Ryan Reynolds Avengers cameo, Avengers Doomsday cast rumors, MCU Phase 6 news.

• Add an FAQ mini-block:

  • Did Deadpool get officially cast in Avengers: Doomsday?

  • What did Kevin Feige say about Deadpool’s MCU future?

  • When are Avengers: Doomsday and Secret Wars releasing?

Final Verdict

Yes—this is a timely, shareable, and search-friendly topic perfect for today’s TV & Movies category. Shall I draft the full post with internal links and a YouTube embed placeholder next?

See what John Campea from the John Campea Show has to say about it on YouTube: