Stay put young one, and just stay there while watching closely what your opponent does. When a good Ken player gets me into the corner I have to be a bit more careful and pay extra attention of their moves. Sit tight while blocking and ready to tech throw. What I usually do to get out without attacking is to watch their moves, any whiff’ed cr. mk’s or other moves I’ll simply super jump foward and HK dive kick the hell outta there, be quick.
If you get knock down, go for option parry throw. But don’t do this when they have a super ready, it’s not worth the risk. Always quick recover because you might be able to jump away from what they were planning to do. Also sometimes a fast wake up cr. lk x2 into Zesshou will be a good choice to catch them off guard.
The best air to air move would be the 2 hit air chain, but delay the 2nd hit sometime to mess up their parrying.
Be very patient and do not throw out anything not safe, think twice before doing anything that will allow you to eat a SAIII. Good luck.