COMICBOOK RESOURCES: After the short prologue in last month’s “Superman” #700, the J. Michael Straczynski-penned “Grounded” begins this week with Superman beginning his walk across America by stopping in Philadelphia. The idea of “Grounded” has divided a lot of fans between those that want Superman to have big, exciting adventures and those that prefer the quieter, more introspective stories. While I fall in the latter camp, it’s hard not to find parts of “Superman” #701 laughable in its cheesiness, right down to a premise that brings to mind “Forrest Gump,” complete with Superman’s lack of explanation, stating that he’s walking […]