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Fan Casting Robert Downey Jr. as Lex Luthor in Lego Superman the Movie (2026)

mephilesthedark made this fan casting suggestion on July 5, 2025. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Robert Downey Jr. as Lex Luthor in Lego Superman the Movie (2026)

Robert Downey Jr.United States

60 years old
Robert John Downey Jr. (born April 4, 1965), also known as RDJ, is an American actor. One of the highest-grossing actors of all time, his films as a leading actor have grossed over $14 billion worl...
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Lex Luthor in Lego Superman the Movie (2026)
Fan Casting

Robert Downey Jr.

as

Lex Luthor

in

Lego Superman the Movie (2026)

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Lego Superman the Movie (2026)

Lego Superman the Movie (2026)

Richman’s LegoVerse
by Richman
Clark Kent faces his toughest challenge yet as Lex Luthor dons a kryptonite powered suit to fight him. Along the way Clark meets the members of the JLA, and his future love interest Lois Lane… Also...
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Fan casting suggestion made by:

mephilesthedark

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Robert Downey Jr. is known for his roles in Iron Man, The Avengers, and Avengers: Infinity War. He has been suggested by fans for 14,549 roles on myCast, including Best in Best & Worst Comic Book Castings. Similar actors include Hugh Jackman, Steve Carell, and Johnny Depp. Robert Downey Jr. was suggested to play Lex Luthor in Lego Superman the Movie (2026) by mephilesthedark. Other actors sugggested to play this role include Jake Gyllenhaal, Idris Elba, and Keith David. Lego Superman the Movie (2026) has 13 roles, including Jor-El, Perry White, and Lois Lane.

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