Mmm...more likely an update. Notice the reference to GRID, an early name for the symptoms of HIV infection, circa 1982-1985. After that, we heard it called only HIV and AIDS. Also, the movie Home Alone came out in 1990.
Chick often updates his tracts, changing titles or even reshading them a bit to appeal to his growing market in Africa.
It would be interesting to know what he changed in this one to update it and secure a new 2014 copyright.