Marvel Studios’ first animated series in the Marvel Cinematic Universe,
What If...?, is coming to the Disney Plus streaming service in summer 2021. What If..? is a series that looks at all the alternate possibilities and roads-not-taken throughout the history of the MCU.
Jeffrey Wright will voice The Watcher, a race of celestial beings who observe events in the Marvel universe. Many actors from across the MCU will reprise their roles as voice talents in What If...?, including Michael B. Jordan (Killmonger), Sebastian Stan (Bucky Barnes), Josh Brolin (Thanos), Mark Ruffalo (Bruce Banner/The Hulk), Tom Hiddleston (Loki), Samuel L. Jackson (Nick Fury), Chris Hemsworth (Thor), Hayley Atwell (Agent Peggy Carter), Chadwick Boseman (Black Panther), Karen Gillan (Nebula), Jeremy Renner (Hawkeye), Paul Rudd (Ant-Man), Michael Douglas (Hank Pym), Neal McDonough (Dum Dum Dugan), Dominic Cooper (Howard Stark), Sean Gunn (Kraglin), Natalie Portman (Jane Foster), Taika Waititi (Korg), Toby Jones (Arnim Zola), Djimon Hounsou (Korath), Jeff Goldblum (Grandmaster)
and Michael Rooker (Yondu).
http://collider.com/marvels-what-if-announces-massive-voice-cast-of-mcu-stars-jeffrey-wright-as-the-watcher/