The Guardians & Tony Stark (Not Iron Man - he had been stripped of his armor) taking a Spartax warship through sheer force after being arrest for the crime of... Heading to Earth to stop a Badoon invasion.
Let's just start with the fact that Marvel had the balls to even try to make a film out of this property!
In the trailer, Rocket Raccoon is on Groot's shoulder, blasting away with his machine gun.
Judging by the background, they're in the middle of a prison riot.