🎆 Roundup Treasure Hunt 2023; hints for 7

Firework 7

This prequel was published in 2020,

A bestselling book, with readers aplenty,

This year the story unfolds on the screen,

A villain’s genesis there to be seen. (Abigail)

36 justjim : For #7, we can only hope that the odds will be forever in your favour.

58 cwebb : It's not a children's book or movie, maybe young adult (to adult).

60 geophile : For #7 Try searching Google for a "List of prequels" in Wikipedia. Then use CTRL-F to search for 2020

67 AnnieMod : The original is a trilogy - that's book 4 (or 0 if you prefer). And you are looking for a trilogy that had been filmed.