Well, I did state yesterday that Superman #712 was a fill-in by Kurt Busiek and featured Krypto, and that JMS and Chris Roberson were not listed in the credits.
Turns out DC released a press release just stating that.
Please note the new contents for SUPERMAN #712, now written by Kurt Busiek with art by Rick Leonardi, a cover by Carlos Pacheco and Jesus Merino and a variant cover by Stanley “Artgerm” Lau.
This fill in issue contains a lost classic, Lost Boy: A Tale of Krypto the Superdog, set shortly after Superboy died in Infinite Crisis and Superman went missing.
DC Comics determined that the previously solicited story did not work within the “Grounded” storyline. However, Chris Roberson, will be back for the final two issues of Superman’s year long walk across America. As we near the conclusion, catch up with Superman next month as he makes stops in Portland and Newberg, OR.
SUPERMAN #712 is scheduled to arrive in stores on June 22.
"DC Comics determined that the previously solicited story did not work within the “Grounded” storyline."
So, is the George Perez Superman #712 variant scrapped or delayed, as well?
Superman has been a HUGE MESS and I can't wait for the DC Relaunch.
Thanks to Newsarma for the confirmation.