The Fighting Chance Pack is a bonus content pack for The Evil Within. This content pack is only accessible to players who pre-ordered the game, or owns the limited Special Edition box set which contains the items. A release as generally available DLC has never been discussed by the developers, and given the length of time since the game's release it is unlikely to ever be implemented.
The package contains items that will be deposited into Sebastian Castellanos' inventory upon reaching Chapter 3:
These items are a one-time bonus only, and are not granted again upon reaching Chapter 3 in a New Game+.