Considering the Pig King statue mows down SSE enemies in its path, and walls, and... yeah, everything..
I get the idea Porky (really Pokey, stupid localization people) was in it just to get Ness and Lucas, and if he was told anything by the SSE/MH/Etc. it'd have only been their location. Especially since none of his soldiers appear as explicit SSE minions. (Notice that the only enemies from games would either be Ganondorf or Bowser's soldiers.)
It's pretty nifty how it turned out, anyway. A lot of the concepts in SSE mirror out what we at SSQ originally had. (Master Hand in a high position, Bowser and Ganondorf working together for an unseen higher evil, a stadium being under attack...)
Of course, it's hard to put a story together WITHOUT that basic pattern when you're talking "SSB + Story"
