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David Harbour

Actor portrait · TMDB ↗

Character viewing guide

Alexei ShostakovCharacter guide · David Harbour

A past brought back into the room.

Find a starting point

Behind the name

Meet Alexei Shostakov

David Harbour portrays Alexei Shostakov in Black Widow and the later catalog entries attached to this profile.

Official source · Disney Movies ↗

Following Alexei Shostakov

Listen for the distance between Alexei’s account of himself and other people’s reactions. That contrast gives the family exchanges more texture than a list of achievements.

Alexei Shostakov, from the Marvel Cinematic Universe.

Your first watch

Where to start

Begin with Black Widow. The next linked guide is What If...?. Use each title’s guide for season and crossover context; the catalog below preserves smaller appearances as well.

Current catalog

Doomsday context

David Harbour is listed among the announced performers for Avengers: Doomsday.

Read the cast sources ↗

Follow the screen credits

Catalog appearances

6 entries · release order

These are the existing catalog records, including supporting roles, cameos and other formats. This list is not a required watch order or proof that every appearance shares one continuity. Future entries may change.

2021

  1. Black Widow

    July 7, 2021

2024

  1. What If...?, Season 3

    December 22, 2024 · Supporting

2025

  1. Thunderbolts*

    April 30, 2025

  2. Marvel Zombies, Season 1

    September 24, 2025

2026

  1. Avengers: Doomsday

    December 16, 2026 · Supporting

2027

  1. Avengers: Secret Wars

    December 15, 2027

Sources & context

About this profile

Profile information checked 2026-11-08. Viewing suggestions are editorial guidance. Appearance records and identity labels come from the existing catalog.

Disney Movies · Film synopsis and context ↗

TMDB · David Harbour portrait ↗

Background artwork: Black Widow. The portrait shows the performer.

How this catalog is put together ↗