Suggestions by @bendf

Richard Armitage

as Despero in Justice League: Conquest

Henry Golding

as Superman in Justice League: Conquest

Nina Dobrev

as Black Widow in Avengers (Reboot)

Sam Claflin

as Thor in Avengers (Reboot)

Hugh Dancy

as Hulk in Avengers (Reboot)

John David Washington

as Captain America in Avengers (Reboot)

Pedro Pascal

as Ironman in Avengers (Reboot)

Alison Brie

as Wasp in Avengers (Reboot)