The Resident Evil Prologue is a 22-page booklet made by BradyGames that details short summaries of the aftermath from the main series of games preceding Resident Evil 4 (Zero - CODE: Veronica). The booklet was included as part of the Resident Evil 4 Collector's edition for the Gamecube and Later for the Playstation 2 port.
- This booklet proclaims that Jill had shot Nicholai's chopper down, killing him in the process, although, Nicholai's fate is still unknown.
- The booklet also estates that Ada "dies" after getting shot by Annete and then Leon was forced to let Ada fall. However, in truth Ada survived.