Avengers: Doomsday is the upcoming superhero film, and it's directed by Joe and Anthony Russo. The 39th MCU film is a sequel to Avengers: Endgame. Michael Waldron and Stephen McFeely have written the script. The film will release on the big screens on December 18, 2026. Its producers include the Russos and Kevin Feige.The teaser trailer, along with the film's official poster, was released on the internet. This has reportedly created much buzz among all the Marvel fans.So let us explore what this teaser features and whose face we get to see.Avengers: Doomsday teaser trailer and poster releasedMarvel's YouTube channel has released the teaser trailer of Avengers: Doomsday. The video runs for one minute and 20 seconds, starting with someone riding a motorbike. He then stops the bike and enters a house. We are then shown the man's POV as he is holding a baby. He's Steve Rogers/Captain America (played by Chris Evans).Rogers' eyes are on that baby. A text appears on the screen, and it reads: "Steve Rogers will return in Avengers: Doomsday." A poster was also released, and it features the Avengers logo in green.The film features many actors returning to play superheroes. Some examples include Chris Hemsworth, who is known as the Greek god Thor. Its cast also has Paul Rudd reprising as Scott Lang, aka Ant-Man. Others include Patrick Stewart (Charles Xavier) and Ian McKellen (Magneto).Doomsday is about many superhero teams trying to stop the powerful villain Doctor Doom. Robert Downey Jr. was revealed as the villain at the 2024 San Diego Comic-Con. He portrayed Tony Stark in the MCU's previous phase. The character passed away in Endgame. Fans will have to wait and see how the makers justify his return in this new phase.Avengers: Doomsday will be out on December 18, 2026, as a part of the sixth phase. The makers also plan to release its sequel titled Secret Wars on December 17, 2027.2008 saw the beginning of this franchise with Iron Man. It focused on the titular hero and laid the ground for future installments, which ended with 2019's Avengers: Endgame. The latter was a big critical and commercial success. Doomsday also marks the return of the Russo brothers in this franchise as directors. The film was originally supposed to be released on May 2, 2025.Stay tuned to Soap Central for more such stories.