Suggestions by @siddarthsid

Joseph Gatt

as Cull Obsidian in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Toby Kebbell

as Ebony Maw in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Javier Bardem

as The Collector in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Kristofer Hivju

as Eitri in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Bruce Greenwood

as Thaddeus Ross in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Krysten Ritter

as Maria Hill in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Dennis Haysbert

as Nick Fury in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

David Oyelowo

as Heimdall in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Dan Stevens

as Loki in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Brian Tyree Henry

as M'Baku in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Naomie Harris

as Okoye in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Zendaya Coleman

as Shuri in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Jiang Wen

as Wong in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Zoë Kravitz

as Valkyrie in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Amy Adams

as Pepper Potts in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Mackenzie Davis

as Captain Marvel in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Dwayne Johnson

as Groot in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Aaron Paul

as Rocket Raccoon in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

Ellen Wong

as Mantis in Avengers: Infinity War (2018) / Avengers: Endgame (2019)

John Cena

as Drax in Avengers: Infinity War (2018) / Avengers: Endgame (2019)