SLASHER FILM RULES - Halloween 4: The Return of Michael Myers (1988)

Films have formulas and rules, but how well do films follow those formulas?  Are the slasher film rules true?

Halloween 4: The Return of Michael Myers (1988) the third Michael Myers film (Halloween III: Season of the Witch was an unrelated film.)  Does it follow the rules?

The following may include spoilers for

Halloween 4: The Return of Michael Myers (1988)

and possibly

Halloween (1978) & Halloween II (1981)

SLASHER FILM RULES - Halloween II (1981)

Films have formulas and rules, but how well do films follow those formulas?  The slasher film (sometime generically called horror film rules)... are they true?

Halloween II (1981) starts immediately after... actually a couple of minutes before... the end of the first Halloween movie.  Does it follow the rules?

SLASHER FILM RULES - Halloween

John Carpenter's 1978 film Halloween considered important in bringing the Slasher film to public attention and has the first appearance of many of the genres tropes.  It may have established some of the rules, but did it follow them?