From the moment he set foot in the Marvel Universe, Marc Spector's life has been largely made up of one terrifying confrontation after another. As Moon Knight, he has amassed one of the most lethal rogues galleries of all time, while on a personal level Marc has been left to face trials and tribulations that are just as challenging. However, the return of the hero's twisted long-lost brother could very well be the one situation that finally breaks him completely.
Source：https://www.cbr.com/moon-knight-brother-return-marvel/
