Cartoon Network Punch Time Explosion XL

You first need to buy Kevin from store the for 1200 points. (On Easy) Go to Story Mode - Level Select - Samurai Jack Theme Stage 4. Choose Kevin 11 as your main character (it doesn't matter who the other 3 are). 30 Enemies will spawn that you need to defeat. Kill them until your energy bar is full and hit  to use your PTE. Kill 4 enemies while the PTE is active to earn the trophy.