This is a condition that many sequels suffer after being overhyped and underproducing. These sequels usually follow behind very decorated firsts.
Star Wars: Episodes I and II, The Matrix Reloaded and Revolutions, Quake 2, and Land Before Time
Totally legitimate medical disorder in which someone argues that nothing new will ever compete with an older version. Also known as Michael Jordan Syndrome.
Sherlock thinks that LeBron James will never compete with Michael Jordan. Sherlock has Star Wars Syndrome
When any aging artist or celebrity begins to produce crap work entirely for the pursuit of money.
Star Wars Syndrome
Star Wars I, II, III
Indiana Jones IV