Avengers: Doomsday CinemaCon Trailer LEAKED! Trailer of DOOM Full Breakdown

666.7K views • Apr 17, 2026

2.029

M

MCU Talk

🚨 SPOILER WARNING! 🚨

The Avengers: Doomsday CinemaCon trailer has finally leaked… and it’s insane 😱

Even though it hasn’t officially released online yet, we now have a full description — and here’s everything you need to know.

(Full credit to New Rockstars for the details.)

The trailer starts with Professor X reacting to an explosion at the X-Mansion…

Then we hear Doctor Doom (Robert Downey Jr.) warning about an unthinkable decision — and because of his changed voice, the Avengers may not even recognize him.

Then it gets crazy.

Doctor Doom lands in the X-Mansion courtyard
Gambit vs Shang-Chi fight
Mystique vs Yelena (shapeshift battle)
Possible X-Men vs Avengers conflict

We also see:

Thor leading the Avengers with a powerful speech
A new Avengers Tower with the New Avengers logo
The desert scene revealed as the ocean split by Namor
Fantastic Four meeting Wakandans

And then the biggest moment…

Thor says: “We need a miracle.”

And Mjolnir flies into the hands of Steve Rogers — now with long hair 😱

This could be one of the biggest MCU movies ever. #AvengersDoomsday #doctordoom #robertdowneyjr #AvengersDoomsday
#Marvel
#MCU
#DoctorDoom
#XMen
#Avengers
#CinemaCon
#MarvelStudios
#SecretWars
#Viral

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