AceShowbiz -

The highly-anticipated trailer of "Game of Thrones" season 3 has finally made its way out online, sharing first actual footage from the upcoming chapter. The video teases another big war that will threaten the reigning king and his family as Daenerys has a legion of soldiers ready to fight for her.

Daenerys' dragons have grown bigger and one of them is seen flying in the video. "The revenge you want will be yours in time," says a voiceover, as if knowing what Daenerys has been waiting for all this time while in exile.

Meanwhile, Catelyn Stark is as fierce as ever, telling her son Rob to "show them how it feels how to lose what they love." The wicked King Joffrey is still stubborn, claiming, "Everyone is mind to torment." The sneak peek also offers a glimpse of new characters, including Ciaran Hinds' Mance Rayder who talks about a big fire.

The third season is based on "A Storm of Swords", the third novel in "A Song of Ice and Fire" series by George R.R. Martin. It will premiere March 31 on HBO, featuring some new faces such as Clive Russell's Brynden "The Blackfish" Tully, Dianna Rigg's Olenna Tyrell a.k.a. the Queen of Thorns, Thomas Brodie Sangster's Jojen Reed, Ellie Kendrick's Meera Reed and more.