I got the game and spent the first day unlocking characters, still not done, but I'm more than halfway there. Taking the Shulk/Villager Classic path would have been easier to get Mega Man, since the Samus path had too many variables once you get to Wario.
In spite of that, I gotta say that Mega Man, Wario, Samus and Yoshi have put in a lot of work when it came to getting other characters. Mega Man through random vs matches and cleaning up any fights I lost before.
It also only took 2 tries to beat Mega Man's Classic Mode and clear it on 9.9, no tickets, no losses.
Event Board is hard when you only have crappy spirits at the moment. I should probably start WoL then do the harder board matches later.