In the usual series of events, Mario & Luigi: Brothership which is the latest entry to the Mario & Luigi game series has broken street date with many people getting their physical copies early via retailers or early shipping, and this has lead to the game being leaked online opening the doors for spoilers.
Mario & Luigi: Brothership is a turn-based RPG that follows the plumber brothers on a new adventure. With the release date of this title set for November 7th, many fans were excited to play the game, and while a Nintendo game leaking early is now a force of habit, the inevitable has happened and the game is now open season for spoilers.
We recommend avoiding the obvious places to avoid spoilers such as related YouTube videos and online forums like Reddit.