Batman: The Brave and the Bold (2023-) #18

It runs through all of us—corrupting hope into fear, love into apprehension, and our strongest selves into our weakest. Its name is doubt, and when a mysterious new villain arrives with the ability to wield it as a weapon, Batman will face an inner journey unlike any he’s ever experienced! Finally, Aquaman and Ms. Martian unite to face a threat with shocking ties to both of their pasts—and possibly their futures!