Harry Potter vs. The Predator
Harry wanders into the forest scavenging for rare herbs to make a nifty new potion but knows that the forest isn't safe so comes prepared. The predator is in the area, hunting for new prey after a scouting mission discovered Hogwarts is filled with individuals that utilize magic and thus are a new challenge.
Harry Potter is armed with his wand, the invisibility cloak, as well as all spells and potions he has been seen using in the movies. Of course the forbidden curses are not applicable here. Other than that he's just a regular kid.
The predator has all available weaponry and tech from Predator 1 & 2. This includes his wrist blades, net, spear, shoulder cannon, frisbee of doom, cloaking, med kit, various forms of detection such as thermal imaging and lastly his personal nuke. The predator also possesses super human strength/agility/speed, hunting tactics and can take an extreme amount of damage as seen in the movies.
No help will be given from either the magical forest critters or the predators hunting party. This is strictly a one on one showdown.
My prediction: Harry throws everything he has at the alien hunter but ultimately wets himself before having his spine ripped out.
*Personal note - I would pay to see this movie 😄