NYCC 2017 and DC Comics Rebirth Spoilers follows.
During New York Comic Con 2017 (NYCC 2017) it was announced that artist Tony Daniel is working on DC Comics’ Legacy variant covers.
Superman #34 is actually Superman #800.
Wonder Woman #34 is Wonder Woman #700.
The covers for Batman #35’s Batman #800 and Flash #39’s Flash #700 covers have yet to be released.
Action Comics #1000 also hits stands soon too. Unlike the rest of the line it and Detective Comics have reverted to the legacy numbering for their runs with the advent of Rebirth. No word on whether Tony Daniel is working on any variant covers for those books as their milestones come up.