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I only watched part 1 because I dont want to spoil too much of the story but man is it awesome. best part Alarm goes off Catwoman: "Whats that?" Cyborg: "It's the none of yo damn business alarm"

Updated: Ed Boon - Injustice: Gods Among Us app will not be a port of the console versions, will have it's own unique mechanic
http://www.digitalspy.com/gaming/news/a468717/injustice-gods-among-us-mobile-game-announced.html the link is from hector sanchez's twitter says 6 costumes will be unlockable in mobile version and transferable to consoles.

Updated: Ed Boon - Injustice: Gods Among Us app will not be a port of the console versions, will have it's own unique mechanic
i also heard that there will be 6 costumes that can be unlocked in the mobile version and can be used on consoles. I might get this depending on what the costumes are.