Thanos: Punches at full force with all six infinity stones
Shaggy: Catches first effortlessly "Like nice try dude, you almost made me use 10% of my power"
Thanos: Activating power stone "YOU HAVEN'T SEEN ANYTHING YET"
Shaggy: pushing Thanos to the side easily with a bored expression on his face
Thanos: teleporting behind Shaggy "Nothin-"
Shaggy: suddenly behind Thanos "-g personal kid " slamming Thanos into the ground
Thanos: trys to snap
Shaggy: puts scooby snack in Thanos's hand
Thanos: breaks scooby snack getting dust everywhere
Scooby snack: "Like man, I dont feel so good"
Thanos: uses times stone to go back to a previous position whilst healing himself
Shaggy: "Like, man just give up"
Thanos: "The world will die without balance!" activates power stone and punches ground causing earthquake
Shaggy: puts single finger to the ground stopping the vibrations immediately "I guess you want to do this the hard way"
Shaggy: rushes towards Thanos the sheer speed creating small wisps of flames. Before suddenly stopping right in front of Thanos about to punch him
Thanos: quickly grabs Shaggys arm and attempts to throw him
Shaggy: firmly planting his feet into the ground
Thanos: Now just trying to throw him to the side
Shaggy: heavily damaging the ground as Thanos trys to throw him
Shaggy: effortlessly tosses Thanos into the ground behind Shaggy breaking every bone in Thanos's arm
Thanos: Screams in extreme pain right before trying to reverse time again
Thanos: realizes that time stone is gone
Shaggy: "Looking for this" tries to spin stone on finger but just clumsily drops it
Thanos: tries to crawl to stone while it's on the ground
Shaggy: picks up stone "Well anyways" picks up thanks by the neck "We're done here"
Thanos: looks directly at camera "Well it looks like we're in the Avengers: Endgame coming April 26th 2019 now"
