|| "Even miracles take a little time."
To prevent speculation, please add reliable sources to the unreleased media. Any information that is not backed up by citations may be removed.
Thank you and have a magical day!
- Jeffrey Wright as Uatu the Watcher 
- Michael B. Jordan as N'Jadaka/Erik Killmonger
- Sebastian Stan as Bucky Barnes
- Josh Brolin as Thanos
- Mark Ruffalo as Bruce Banner/Hulk
- Tom Hiddleston as Loki Laufeyson
- Samuel L. Jackson as Nick Fury
- Chris Hemsworth as Thor Odinson
- Hayley Atwell as Peggy Carter/Captain Carter
- Chadwick Boseman as T'Challa/Black Panther
- Karen Gillan as Nebula
- Neal McDonough as Dum Dum Dugan
- Dominic Cooper as Howard Stark
- Sean Gunn as Kraglin Obfonteri
- Natalie Portman as Jane Foster
- David Dastmalchian as Kurt
- Stanley Tucci as Abraham Erskine 
- Taika Waititi as Korg
- Toby Jones as Arnim Zola
- Djimon Hounsou as Korath
- Jeff Goldblum as En Dwi Gast/Grandmaster
- Michael Rooker as Yondu Udonta
- Chris Sullivan as Taserface
- "Every Marvel Actor Returning For The MCU's What If? Series". Screen Rant (July 26, 2019).
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