# Michael Rosenbaum on DCU Future After Superman Cameo

> Michael Rosenbaum says he'd love to play Riddler or a superhero in James Gunn's DCU after voice cameo in Superman.
- Title: Michael Rosenbaum on DCU Future After Superman Cameo
- Summary: Michael Rosenbaum says he'd love to play Riddler or a superhero in James Gunn's DCU after voice cameo in Superman. Michael Rosenbaum, who voiced Lex Luthor…
- Keywords: michael rosenbaum, james gunn, dcu, smallville, superman, lex luthor, riddler, dc universe, entertainment, culture, Michael, Rosenbaum
- Source: ScreenRant — https://screenrant.com/michael-rosenbaum-future-dcu-role-james-gunn-superman
- Author: Andy Behbakht
- Published: 2026-10-18T00:40:02+00:00
- Read time: 1 min
- Topics: michael rosenbaum, james gunn, dcu, smallville, superman, lex luthor, riddler, dc universe, entertainment, culture
## Michael Rosenbaum's DCU interest
Michael Rosenbaum, who voiced Lex Luthor in Smallville, expressed interest in playing Riddler or a superhero in James Gunn's DCU after a voice cameo in 2025's Superman.

> I would love nothing more than to be a part of that. It's an incredible world.
## Rosenbaum's Superman role
Rosenbaum had a voice cameo in 2025's Superman as one of the Raptor Guards.

> I did Guardians of the Galaxy, with a small role as Martinex in 2022 and 2023.
## Rosenbaum's preferred role
Rosenbaum said he'd love to play Riddler, a character who can snap, rather than Lex Luthor.

> When I think about the character I would love to play, whether it's animated or live-action, I think about Riddler.
## Rosenbaum's superhero interest
Rosenbaum also expressed interest in playing a superhero, having voiced the Flash in Justice League.

> I was the voice of the Flash in Justice League, and I loved it.
## Rosenbaum's past role
Rosenbaum played Lex Luthor in the DC TV prequel Smallville, which ran from 2001 to 2011.

> I loved playing Lex. It was a dynamic, larger-than-life character.
## Rosenbaum's time travel idea
Rosenbaum suggested he might time travel from the future to play the Scarlet Speedster in the DCU.

> I think they knew that I didn't want to come in as a guest star.
## Rosenbaum's role choice
Rosenbaum said he'd only play a role if he felt a strong connection to it, not as a guest star.

> I didn't know much about what they were going to do, and they wouldn't tell me.
## DCU timeline
DC Studios is building out James Gunn's DCU with multiple upcoming movies and TV shows.

> With multiple upcoming DCU movies and TV shows in the works at DC Studios, there is plenty of time for Gunn and Rosenbaum to reunite.
## Rosenbaum's next move
Rosenbaum hopes to play a new character in the DCU, possibly as a hero, once the right role comes along.

> So, we'll see what happens.
## Key takeaway

Michael Rosenbaum, who voiced Lex Luthor in Smallville, expressed interest in playing Riddler or a superhero in James Gunn's DCU after a voice cameo in 2025's Superman.