<Li> Alex Fierro - A genderfluid demigod child of Loki who wields a garrote capable of slicing even the most hardened rock . (S) he is first introduced in the second book, The Hammer of Thor . By the third book, The Ship of the Dead, (s) he is in a relationship with Magnus Chase . </Li> <Li> Randolph Chase - Magnus's uncle, obsessed with Norse mythology . </Li> <Li> Loki - Norse god of mischief, lies, and deceit . He is the father of demigod Samirah Al - Abbas and mother of demigod Alex Fierro . </Li> <Li> Annabeth Chase - Magnus Chase's cousin . Also in the Percy Jackson and the Olympians and The Heroes of Olympus series . Demigod daughter of the Greek goddess Athena . </Li>

When is the fourth book of magnus chase coming out