While no “main universe” DC fix has been announced for DC’s Marvel Families, Grant Morrison will be working on the characters in his Multiversity epic that will spotlight several of the Earths in DC’s new multiverse.
From SDCC 2010:
Any chance Morrison might take on the Marvel (Shazam) family? Morrison said that one of the Multiversity titles will be a 38-pager called “Thunder World,” and contains “everything I wanted to say about those characters.”
Source: Newsarama