Claim: Inferno (2016 film) is part of the same series as Angels & Demons.
Evidence: The film is the sequel to The Da Vinci Code and Angels & Demons , and is the third installment in the Robert Langdon film series.
Professor Robert Langdon is a fictional character created by author Dan Brown for his Robert Langdon book series : Angels & Demons -LRB- 2000 -RRB- , The Da Vinci Code -LRB- 2003 -RRB- , The Lost Symbol -LRB- 2009 -RRB- , and Inferno -LRB- 2013 -RRB-.