Collects Demon Wars: The Iron Samurai (2022) #1, Demon Wars: Shield of Justice (2022) #1, Demon Wars: Down in Flames (2023) #1, Demon Wars: Scarlet Sin (2023) #1. Peach Momoko takes her version of the Marvel Universe to the next level! Welcome to another dimension filled with wondrous creatures: sentient samurai armor, a winged individual in a falcon mask, a mysterious panther person and a red, snakelike monster with a deadly appetite. As these incredible Yokai battle, will Mariko Yashida be forced to choose a side? When Iron Samurai clashes with Shield of Justice, their war will be anything but civil - and their cataclysmic confrontation could devastate two worlds! Meanwhile, the spirit world is divided - and Mariko finds herself caught between Phoenix and Magik! And another Yokai with incredible power has plans to paint the world scarlet!