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Basic Trope: The opening credits of a work ruin important plot events before they happen.
Straight: The Anime-styled opening to the JRPG Heroes of Troperia contains a scene with a teary-eyed Bobu by agrave with Arisu's name engraved. Halfway into the story, Emperor Evulzkills off Arisu. Following a fight scene, Bobu is seen at Arisu's funeral, mourning her death and vowing revenge on Evulz, thus causing a dramatic change in his behavior for the rest of the story.
Subverted: Arisu's funeral is shown in the opening, but the work is a Video Game with a permanent death mechanic. Arisu CAN die, but she does not as part of the story itself, and it doesn't affect the plot...
Parodied: Arisu dies early on, only for her to reveal that she faked her death as part of a clever plan. The big bad kills her again, only for it latter revealed to be one of a series of eerily human-looking robot duplicates that regularly sacrifice themselves as part of every major twist in the plot, only to be replaced later.
Zig Zagged: "What!? Arisu dies!? I'm not watching any more of this..." "Huh? Arisu never died in the first place!? Phew!" "Okay, now I know it's safe to see the rest of- oh, come on! She dies a SECOND time!? Who kills off the same girl twice in one opening!?"
Averted: There is no opening in the first place.
Enforced: "We need to hook the players into actually playing more than the first hour... let's reveal in the opening that Arisu dies so that they'll get addicted into reaching that point and the story beyond!"