 In September , a casting call sheet leaked to the Internet revealed that Cobra Commander would appear in the sequel , though it was unknown who would play the character . Chu said that fans would get a glimpse of <unk> in the film , but Christopher Eccleston would not reprise his role in the sequel . On May 1 , 2012 , it was confirmed by Jon Chu that G.I. Joe : Retaliation 's Cobra Commander is Rex Lewis , the same character that Joseph Gordon @-@ Levitt played in The Rise of Cobra . Actor Robert Baker confirmed that he is the voice of Cobra Commander in the sequel . 
