It's been a long journey for the Martian Manhunter since his revival, including an entire lifetime of false happiness on a rejuvenated Mars. But now the veil is lifted from J'onn's eyes, and they're filled with tears of rage. It's time to settle things with D'kay, but when given the choice between a new Mars and Earth, J'onn has to ask himself... Where is my real home? BRIGHTEST DAY #21 hits stores March 2nd.