The European PlayStation blog gave fans a sneak peak on what PlayStation Plus owners can expect as far as free games are concerned for December and January.
December
Injustice: Gods Among Us Ultimate Edition
Secret Ponchos
More TBC

January
inFAMOUS: First Light
The Swapper
More TBC

For those keeping track at home, these will be the first "retail" releases to hit PlayStation Plus for the PlayStation 4. Also keep in mind that these are the games coming to Europe. The releases in other regions, such as in North America, may be different for those months.