Actor Ian McKellen famously played Gandalf the wise wizard in Peter Jackson’s The Lord of the Rings and The Hobbit film franchises, but could he come back again for the next film, tentatively titled The Hunt for Gollum? The 85-year-old actor recently revealed that he’s been asked to come back.”I’ve just been told there are going to be more films and Gandalf will be involved and they hope that I’ll be playing him,” he told The Big Issue. “When? I don’t know. What the script is? It’s not written yet. So they better be quick!”McKellen is likely referring to a previous comment he made regarding The Hunt for Gollum, when he said he would be eager to play Gandalf again so long as he lives long enough for the movie to get made.Separately, McKellen told the BBC, “I’m not letting anyone else put on…