Name colon object comma place based on semicolon period.

Invasion of the Big, Scary, Long Film Titles- New York Times

I find coming up with titles extremely difficult (for examples, see this blog).

I had noticed the recent onslaught of long titles, particularly for sequels, that forgo the number system (i.e. Ironman 2) and instead include a title, followed by a colon, followed by a plot description. Evidently, Brooks Barnes read my mind- this article takes a look at the rising trend.