As reported earlier, Fire Emblem Fates is releasing on February 19 in North America, and there will be the Map Pack 1 available for $17.99 for all of them at a discount price, or players can purchase them individually. Here are details on the DLC from the official website:
Map Pack 1 features 11 maps and additional content. These maps shine new light on the cast of characters from Fire Emblem Fates, as well as old favorites from the Fire Emblem Awakening game. Discover new background stories about these beloved warriors, while earning more experience points and exclusive weaponry. Every map offers specific challenges and unique rewards.
According to Nintendo Everything, the map pack will include the first two waves of DLC already released in Japan. And also, based on the name, it seems like Nintendo has more in upcoming DLC packs planned out for the future.
Fire Emblem Fates will release in North America on February 19, 2016 for Nintendo 3DS. A European release date has yet to be announced.