l certainly did not expect to see the Exorcist in there although there was a lot of shock value when it was released.
On Furious 7 given it was not the first film in the franchise that was quite surprising.
Harry Potter , Disney , LOTR , Star Wars no surprises there.
Gone with the Wind given that it was 1939 which was a golden year for old film classics but more importantly it was the start of WW2 and many were looking for a bit of entertainment to lessen the grimness of the situation at the time.
Here is a list of some of the films in 1939 which is considered one of the best years ever at the box office.
https://en.wikipedia.org/wiki/1939_in_film