During a CG I would use uair as it's the fastest move to come out.
Oh and the local Pika player cannot CG my MK, he doesn't know about it =/
Actually, I didn't know about it either.
Pika's shield is crazy, not like Diddy, but sort of.
I get punished a lot for tornado in this MU. Most of the time Pika just pops out of it and nairs or dairs me out of it...
Jolts are annoying for MK as he lacks a reliable way to cancel them so you have to PS them which leaves less room for error or jump which limits your options a bit.
Learn to DI out of dsmash (easy) and then tech it (sort of easy) or Pika will grab or tech chase you out of it for something nice.
Hmm... Don't gimp him unless you are sure about it as it's so hard against Pika, his recovery is so versatile and long.
Don't be dumb and get hit by thunder, DI the correct way. Watch out for thunder if you are gliding to the ledge, stop the glide immediately and wait and then use something like SideB or something.
I think fsmash outranges kinda everything we have.
That's what I know about this MU, haven't played it for a while, but will do this saturday so I will edit my post after that if I feel like adding something.