-    A detailed preview of Mercurius Pretty starts this issue of DC Magazine. We get looks at character profiles, game levels and background story. This issue also provides a first look at Espion-Agents which is a 3-D action game from NEC that is due in September. Shen Mue, Climax Landers, Expendable and Soul Calibur provide the rest of the meat in this issue.    The limited edition Mazorca Dreamcast with the wacky colored shell.    The detail in DC Soul Calibur is superb. This issue includes some comparison screen shots between the arcade version and the DC version and the DC version looks cleaner and more detailed.