Jon Farveau Already Working On Iron Man 2

Jon Favreau told the Los Angeles Times that, while there has not been any formal announcement, he has already begun developing an Iron Man sequel.

"We're working on it now, which hasn't been officially announced," he said. "It will be released in 2010."

Here is a recap of what we already know:

Tropic Thunder screenwriter Justin Theroux has been hired to write the script

Robert Downey Jr., Gwyneth Paltrow and Terrence Howard are expected to reprise their roles.

Marvel is hoping to have the film in theaters on April 30th 2010.