This article describes a custom creation, custom theme, or other fan material, made by a Brickipedia contributor. It has never been, is not, and will not be officially released.
X-Men: Sentinel Attack is a custom X-Men set released in 2013.
- Despite being mutants, Sabretooth and Viper are also going to be included as enemies, along with the Sentinel.
- Gambit was originally going to be included.