The fantasy drama will return on April 1 on HBO in the US and on April 2 on Sky Atlantic in the UK.
The latest video montage features clips of the show's characters - including Robb Stark (Richard Madden), Jon Snow (Kit Harington) and Tyrion Lannister (Peter Dinklage) - preparing for battle.
The trailer - entitled 'The More You Love' - also features Daenerys Targaryen (Emilia Clarke) proclaiming, "I will take what is mine with fire and blood!"
Game of Thrones star Alfie Allen (Theon Greyjoy) recently promised that the new season will be "epic".
"I can tell you it's got a lot of dragons in it," he revealed. "It's got a lot of love and a lot of hate. But it's going to be epic. There's a scene in episode ten which I'm very excited to see."
Take a look at a gallery of images from Game of Thrones season two below: