In the “real world”, someone’s attempts to leak the conclusion to Endgame outside a Hong Kong cinema reportedly led to them being attacked.
Spoiler culture and “spoiler-phobia” seem like a unique creation of the internet age: a combination of mass audiences, rapid dissemination of information and popular entertainment being released in episodic formats. But these are, in fact, issues that originated with the media of the 19th century.
Our Victorian forebears wouldn’t have called them “spoilers”, but they were often as conscious as we are that the joys of watching or reading fiction can depend on not knowing what’s to come.
The Woman in White
The novelist Wilkie Collins had always been eclipsed by Charles Dickens, his friend and colleague, until The Woman in White began to be published as a serial from November 1859. The novel – an exhilarating mixture of intrigue, madness and crime – was not only “sensational” in terms of its contents, but also in its public reception.
People queued outside the publisher’s offices for the next instalment and placed bets on the “secret” of its antagonist. Meanwhile perfumes and dances were named after it and William Gladstone, then the UK’s chancellor of the exchequer (as we know, he went on to serve four terms as prime minister) cancelled a theatre visit so he could catch up with the newest developments.
Having been released in weekly instalments for more than ten months, The Woman in White was eventually published in a collected, three-volume format in 1860. To the critics who would soon review the book, Collins cautioned against revealing its plot:

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