EXCLUSIVE: 'Iron Man 2’ Screenwriter Talks Terrence Howard Departure & The Future Of War Machine

'Iron Man'FROM SPLASH PAGE: We may never know what ultimately led to the Don Cheadle/Terrence Howard switch on "Iron Man 2," and if Robert Downey Jr. knows, well, he isn't talking (at least to us).

But one reason it definitely did NOT happen is because the character of Jim "Rhodey" Rhodes was scaled back for the sequel, "Iron Man 2” screenwriter Justin Theroux told MTV News. "I can't really speak to the plot stuff and all the rest of it but Rhodes is completely present in a very strong and big way," Theroux said of the man who would be War Machine. "He's COMPLETELY present."

Read more about the Don Cheadle/Terrence Howard shift and the future of War Marchine in the "Iron Man" sequels over at SplashPage.MTV.com.