Fire Emblem: Awakening demo will be available on the North American Nintendo 3DS eShop on January 17th, the DLC maps will be made available one at a time, each week after release for a few months. While price points (still TBA) will differ, the first map will be free for the first week after Awakening's release. The maps will have varying goals and rewards, from items to money to characters familiar for longtime Fire Emblem fans. Spot Pass will also offer free content and a local multiplayer mode.
Fire Emblem: Awakening will be available on February 4th. There will be a downloadable version on the eShop, but pre-ordering a retail copy at GameStop or EB Games Canada nets you a character artbook as a bonus.