Sam Worthington chats with THR at the 'Avatar: Fire and Ash' premiere in Los Angeles and reveals whether he believes this may be the last 'Avatar' film. Plus, he explains how this movie elevates the franchise: "It keeps getting bigger and bolder like any James Cameron movie." ►►Subscribe for more entertainment news: thr.cm/dwtPxG2 ►► See our latest videos: thr.cm/syLedfw About: The Hollywood Reporter (THR) is the entertainment industry's flagship media brand, offering in-depth reporting, analysis, unparalleled access, world-class photography and video, and feature exclusives in its award-winning weekly magazine and dynamic website. The Hollywood Reporter also boasts prestigious live events, industry-leading philanthropic, empowerment and diversity initiatives and hugely successful video series. Connect with The Hollywood Reporter Online: Visit the website: thr.cm/MgwCFl9 Likes us on Facebook: thr.cm/ngIBL8l Follow us on Twitter: thr.cm/2S875k7 Foll...