In a Nintendo Dream interview with Hitoshi Yamagami and Kaori Ando of Nintendo about Tokyo Mirage Sessions #FE, it was revealed that that game was originally in concept as a Fire Emblem and Pokémon crossover. (mariopartylegacy.com)
The following interview snippet comes from a Nintendo Dream interview with Masahiro Sakurai. (gonintendo.com)
The Complete Software Developer's Career Guide: How to Learn Your Next Programming Language, Ace Your Programming Interview, and Land The Coding Job Of Your Dreams (amazon.com)