completely opposite take

Let me start by saying I'm not religious and know virtually nothing about the Rapture. I had a completely different take than most people on the ending. After the people die at the wedding and are experience the Rapture, I think the rest of the characters in the movie do not go to Heaven. The one guy asks the preacher if they start to believe can they be saved in the Rapture and the preacher says the Rapture is over. One by one, each character turns to faith and dies a terrible death (the one guy who gets yanked by an octopus tentacle, the girl that gets hurled across the room, the guy who is baptized whose body basically explodes in mid-air, etc.) So we are to believe that they are going to Heaven with all of the believers despite dying a horrible death? Or are they going somewhere else...