Actor Sadie Sink's role in the upcoming Marvel film Spider-Man: Brand New Day has reportedly been revealed at the movie's premiere, ending a period of secrecy that had lasted more than a year. The character's identity had been closely guarded by Marvel Studios and the cast as part of the franchise's typically tight-lipped approach to plot and casting details ahead of release.

The provided article text does not contain the substantive reporting on the story, consisting only of website styling code rather than the actual write-up, so further specifics on which character Sink plays, how the reveal occurred, or reactions from those involved cannot be confirmed from the supplied source material.