Contains all DLC to date.
Lab Zero has announced that 'Skullgirls 2nd Encore' will be releasing on PS Vita tomorrow, April 5th. It will cross-buy and cross-play compatible with the PS4 version, and also features new trials, challenges, a survival mode, and every single DLC character. You can check out a trailer for the game right here:
Cool news for people wanting to play this on-the-go. Lab Zero absolutely hasn't made a limp port, and considering this'll contain all-content to date, this is a worthwhile pickup for anyone who's been interested in trying the game.
Source: Lab Zero