Fire Emblem Warriors marks the second time a Nintendo IP has received a Koei Tecmo Warriors styled game, the first being Hyrule Warriors. It also marks the third time Nintendo characters have appeared in a Warriors game: the first was Takamaru from The Mysterious Murasame Castle, who appeared as a guest character in the Wii version of Samurai Warriors 3.
Fire Emblem Warriors was briefly showcased during the Nintendo Switch Presentation on January 12, 2017. The trailer briefly teased Chrom from Fire Emblem Awakening. During a Fire Emblem Nintendo Direct, gameplay was shown of Chrom in battle. The trailer concluded with a slated release of Fall 2017 and a version developed specifically for the New Nintendo 3DS was also announced for a Fall 2017 release.