If Aussie Sam Worthington is not trying to make his bones as Hollywood’s go-to guy for sci-fi epics, then he’s doing a heck of a bad job at it. After winning the coveted leading man role in James Cameron’s sure-to-be massive hit “Avatar”, Worthington has now landed the plum role in the upcoming “Terminator” trilogy, starting with the first, “Terminator Salvation: The Future Begins”, alongside Christian Bale.