A fourth entry in the Austin Powers franchise (that began in 1997 with the last coming in 2002) has long been rumored and now looks as though it's coming to fruition. Reports are that star and writer Mike Myers has signed on for the film of which he's been working the script over the years. It's uncertain if director of the first three films Jay Roach will return. The Austin Powers series opened quietly with International Man of Mystery (totaling $53 million) but saw a huge following bui...