David Harbour, who stars in Marvel’s upcoming film Avengers: Doomsday, has revealed that this movie will be an unprecedented event in his career, surpassing even the scale of Stranger Things season 5’s finale. The highly anticipated film is set to hit theaters on December 18, promising Marvel fans an epic chapter in the Phase 6 lineup.
David Harbour Highlights the Movie’s Immense Scale
Harbour, known for his role as Alexei Shostakov, also called Red Guardian, recently shared his excitement about Avengers: Doomsday during an interview with Entertainment Tonight. After completing five seasons as Hopper in Netflix’s Stranger Things, he described this Marvel project as the largest undertaking he has ever been part of.
“That movie is huge. I mean, I thought that Stranger Things 5 was big, but this is kind of the biggest thing I’ve ever done,”
Harbour said, emphasizing the film’s grand scale. This sets expectations high for a production packed with intense storytelling and action.
Building New Relationships Onscreen
Beyond its size, Harbour highlighted the dynamic character interactions he is involved in, especially the development of brotherhood among his character and others. He mentioned working alongside Sebastian Stan’s Winter Soldier and Wyatt Russell’s new Captain America, describing their relationship as a kind of love triangle that has been fun to explore. Harbour also expressed enthusiasm about the involvement of Robert Downey Jr. and the roles of Florence Pugh’s Yelena Belova and Harbour’s own Alexei Shostakov.

“I’m really excited for you to see what [Robert] Downey [Jr.]’s doing, I think he’s really special,”
he remarked.
Context on the Cast and Characters
David Harbour’s Red Guardian was last seen in the film Thunderbolts, also known as The New Avengers, sharing the spotlight with Yelena Belova, Winter Soldier, and US Agent John Walker. This ensemble hints at the complex alliances and confrontations expected in Avengers: Doomsday. The film promises to weave together various powerful characters, each bringing unique layers to the story.
Directors Comment on Story Complexity
Co-director Anthony Russo has also spoken about the narrative ambitions of Avengers: Doomsday, highlighting its complexity and emotional depth. Reflecting on the challenges of balancing large-scale spectacle with meaningful storytelling, Russo noted that they have reached a new level of narrative intricacy in this movie.
“As much as we run at the fun in terms of what these films can be, we also run at the complexity and the difficulty of what these movies can do at a narrative level,”
he shared earlier this month.
“I think we’ve found a new level of that in Doomsday.”
Anticipation Builds Ahead of the Release
With the December 18 release date approaching, anticipation for Avengers: Doomsday continues to grow. The film is expected to deliver a blockbuster experience filled with superhero camaraderie, dramatic tension, and extraordinary action sequences. Marvel fans are encouraged to catch up on the entire Phase 6 slate to fully appreciate the connections and developments leading into this event.
This movie stands as a significant milestone for the cast, crew, and the Marvel Cinematic Universe at large, blending the excitement of superhero spectacle with a deeper, intricate story. If Harbour’s comments and the Russo brothers’ insights are any indication, Avengers: Doomsday could redefine expectations for the franchise’s next phase.
