Fan Casting Will Arnett as Batman in The Lego Movie: The Third Part (2024)

richman made this fan casting suggestion on June 20, 2025. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Will Arnett as Batman in The Lego Movie: The Third Part (2024)

Will ArnettCanada

55 years old
William Emerson Arnett (/ɑːrˈnɛt/; born May 4, 1970) is a Canadian and American actor and comedian. He is widely known for his roles as Gob Bluth in the Fox/Netflix sitcom Arrested Development (200...
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The Lego Movie: The Third Part (2024)

The Lego Movie: The Third Part (2024)

Richman’s What If?
by Richman
Worlds collide as Marvel and DC must work together to take on another converging threat, Ultron… Emmet is sent to rally everyone together in order to defeat him.
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This casting was confirmed on June 20, 2025. Source

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Will Arnett is known for his roles in Despicable Me, Men in Black 3, and Ratatouille. He has been suggested by fans for 2,749 roles on myCast, including Best in Best & Worst Comic Book Castings. Similar actors include Bill Hader, Jim Carrey, and Christian Bale. Will Arnett was suggested to play Batman in The Lego Movie: The Third Part (2024) by richman. The Lego Movie: The Third Part (2024) has 31 roles, including Spider-Man, Influences, and Ultron.

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