Complex sentence: Their related films have grossed over US $3.7 billion worldwide as of January 2015, putting the film franchise 10th in the list of all-time highest grossing franchises and film series.
Split into simpler sentences: Their related films have grossed over US $3.7 billion worldwide as of January 2015. Which puts the film franchise 10th in the list of all time Highest grossing franchises and film series.