As I wake up, I think "What the hell was I drinking last night", then I quickly remember I have no memories, wonder how I remembered that if I have no memories, why am I Kangaskhan, and why did the Government take my baby. As I break down in tears, I notice a shiny phallus-like object nearby, and attempt to eat it.
You bite his head off, rip him into pieces and stuff what's left in your pouch. It's a bloody mess. The door's open, leading to someplace with more light...
You could fashion crude hoops from the cage bars you dislocated. No cheeseburgers though, the best you have are rare humanburgers, without bread or fake salad...
You go through the door and find yourself in some kind of hangar. It's mostly empty, but there are some parked trucks and various pellets with packed stuff on them. Besides the small internal building you just came from, there's another two-story building inside the hangar.
Another man in a labcoat comes around the corner, while eating a cheeseburger. He stops and drops his burger as he gasps at you...
He shouts "holy shit!", which you manage to reproduce as "kangas khan!". Then the man twirls around and dashes around the corner. You can either turn around and slam into the wall, or perhaps do something else...