TJ Casters
Apprentice
Jelako, you also might want to try Lobo if you have him. Lobo's only real weakness is getting in, and Scorpion's teleport takes care of that for you. Lobo's got some really high damage combos involving his command grabs and sometimes the use of his trait. The trait gives you 5% more damage, so it's not that bad if you don't use it. I find myself punishing Scorpion's teleport with 45-50% combos. If you try Lobo and block the teleport, use this while Scorpion is in the recovery part: 2,1 works nicely as a quick punish, or you may use a fast string and cancel into czarnian toss, which you should meter burn if you can. After the czarnian toss, the window for a b3 is so small, so it's best to use 2,1,3 or 1,1,spin cycle (meter burn if you can) or even 1,1,3 xx czarnian toss. Hope this helped, and good luck against your son! 
Try looking up some high damage combos for Lobo on youtube. That'll show your son to keep teleporting!

Try looking up some high damage combos for Lobo on youtube. That'll show your son to keep teleporting!