View attachment 214319
Some... "news"...
Apparently this was sent out by Nintendo in DECEMBER and no one really noticed until now.
It says that Joker, DLC2 and DLC3 were all in development (and something else which is likely Stage Builder).
Since only Joker and Brave were in the datamine, I assume that DLC3 had only started VERY early development, but it gives more credence to 2 characters being revealed at E3, or near E3.
Looking back, there were no characters revealed at E3, Ryu and Roy were announced right before, but not AT E3 explicitly though.