MUMBAI: Robert Downey Jr. know for his film Iron Man will feature in a musical by Warner Bros.

The actor has signed on for the untitled project, a musical about a couple of Broadway songwriters who end up taking a job at theatre camp when their breakthrough musical flops. 

The film‘s music will be written by Brian Yorkey and Tom Kitt, who were the men behind Broadway musical Next to Normal.

The film will be produced by Downey‘s wife.