Say this is not so! please!
Other Sequels that shoud not have been(IMHO):
Godfather3
All the Frankenstein movies after Bride of Frankenstein(especially the two where they brought together Frankenstein's monster,Dracula, and the Wolfman. these should only be used as torture techniques.)
All the sequels to Rocky.
Star Trek V
Oh God!3
all the sequels to Psycho (please find and kill the people responsible for the remake, please!)
Die Hard3
The StingII
this may or may not be considered a sequel: Supergirl.
all sequels to Batman(the Micheal Keaton version)
all the sequels to Airport
All Pink Panther movies that do not star Peter Sellars
Superman 3 and 4