Introduced in September 1999,[1][2] they were a response to rival Mars' Celebrations which were launched in 1997, and contain miniature versions of various Cadbury chocolate bars.
[3] In 2018, a Twitter campaign was started to remove the Eclair from the Heroes collection as it was normal sized and not a "miniature" as per the other chocolates in the selection.
[6] In 2019, Mondelez commissioned YouGov to poll the UK public to find out the country's favourite Cadbury's Heroes for its 20th anniversary.
[7] In 2022, due to production issues, some packs of Heroes contained two full size Twirls instead of the miniatures.
[15] A 2021 poll conducted by news.com.au determined that Australia's favourite flavour in the box was Fry's Turkish Delight, followed by Cherry Ripe.