Suggestions by @anonymous

Cillian Murphy

as Dr. Doom in Fantastic Four-MCU

Chris Pratt

as Soos Ramirez in Gravity Falls

Jacob Batalon

as Soos Ramirez in Gravity Falls

Noah Schnapp

as Dipper Pines in Gravity Falls

Jon Watts

as Director in Gravity Falls

Zendaya

as Wendy Corduroy in Gravity Falls

Matthew Rhys

as Odin in The Eternals (MCU)

Zendaya

as Wendy Corduroy in Gravity Falls

Millie Bobby Brown

as Mabel Pines in Gravity Falls

Robert Downey Jr.

as Grunkel Ford in Gravity Falls

Mark Ruffalo

as Grunkel Stan in Gravity Falls

Liev Schreiber

as Forgotten One in The Eternals (MCU)

Sarah Paulson

as Thena in The Eternals (MCU)

Titus O'Neil

as Forgotten One in The Eternals (MCU)

Camila Mendes

as Young Female in Black Widow (MCU)

Samuel L. Jackson

as Nick Fury in Black Widow (MCU)

Kate Winslet

as Female Villian in Black Widow (MCU)

Elijah Wood

as Bug in Valkyrie and The Revengers

Helena Bonham Carter

as Enchantress in Valkyrie and The Revengers

Chris Hemsworth

as Thor in Valkyrie and The Revengers