Jeff Robinov is already thinking about DC Comics movies for 2013 and beyond, and he’s got “ Justice League ” and a reinvented Batman on his mind. The president of the Warner Bros. motion picture group, who recently sat down for an extensive interview with The Times, discussed his long-term strategy for DC beyond movies already in the works, such as June’s “ Green Lantern ” and next year’s “ The Dark Knight Rises ” and Superman movie . The first priority for the man with the ultimate say on what films get made at Warner Bros.: Finally getting the Justice League, DC’s team featuring all its top characters, on the big screen in 2013. The picture had been very close to production in late 2007 and early 2008, but was killed by the Writers Guild of America strike, tax credit issues in Australia, and concerns by some at Warner about presenting a competing (and conflicting) version of Batman while director Christopher Nolan’s films were breaking box office records. But Robinov said a n