How come this has only ever happened twice?

How come this has only ever happened twice?

How hard would it be for SF or Tekken or something to pull off?

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Tekken Tag 2 did pull it off, minus Gon who was a guest character

MK:A didn't do that all that well, though, so many of the characters just play the same as a result of having so many characters

Then they didn't. Ultimate and Armageddon have EVERYONE.

Smash has the same problem but nobody wants to admit it.

Capcom All Star Fighters when

except it doesn't and you're wrong to think so

>smashfags don't point out problems with their game

I can only assume you take cursory glances at smash threads from the catalog

i actually loved armageddon

Armageddon also had no fatalities because they were to lazy to copy-paste them from old games.