surprisal, storm, suprise, surprize, delight, shock, shocker, dismay, unexpected, disappointment, more...

expected, anticipated, predictable, foreseen, planned

plot twist, cliffhanger, deus ex machina, twist ending, ambush marketing, spoiler, spoiler alert, more...

great, pleasant, complete, least, biggest, much, real, agreeable, mild, unpleasant, total

catch off guard,   defy expectations,   unexpected event,   act unexpectedly,   unexpected outcome,   blitzer's goal,   unexpected result,   i'll be damned,   unexpected move,   unexpected events