The new video is actually to official story trailer for the upcoming video game and it showcases some of the most awesome scenes for it. One particular scene is the meetup of the future Johnny Cage and the past Johnny Cage, which results in hilarious dialogue with each other.
Among the characters shown in the story trailers, a trio has come up and got confirmed that they will be back as playable ones. These are Erron Black, Cassie Cage, and Jacqui Briggs. There are some new appearances as well like Kitana, Kotal Kahn, and the main antagonist Kronika.
Here is the current list as of now:
Shao Kahn (pre-order bonus)
There are still about 10 more fighters coming in to join the roster before the game launches.
The game will launch this coming April 23. It will be available on PlayStation 4.