Charles Francis Xavier was born in New York City to the wealthy Brian Xavier, a well-respected nuclear scientist, and Sharon Xavier. After Brian dies in an accident, his science partner Kurt Marko comforts and marries the grieving Sharon. When Xavier's telepathic mutant powers emerge, he discovers Kurt cares only about his mother's money. After the wedding, Kurt moves in with the Xaviers, bringing with him his son Cain. Kurt quickly grows neglectful of Sharon, driving her to alcoholism, and abuses both Charles and Cain. Cain takes out his frustrations and insecurities on his stepbrother. Charles uses his telepathic powers to read Cain's mind and explore the extent of his psychological damage, which only leads to Cain becoming more aggressive toward him and the young Xavier feeling Cain's p