They'd come in peace, see how horrible of a species we are, and then wipe us off the face of the galaxy for the betterment of the entire universe before we develop space travel and start ruining other planets inhabited by alien life.
Kidnap me away from the ones I love
Overrule the planet
Destroy the planet
Prove to us that our gods are false
make us fight in gladiatorial battles against each other
use us/our pets for food
take our jobs!
THE PROBING! OHDEARGODTHEPROBING!!!!!
They'd come in peace, see how horrible of a species we are, and then wipe us off the face of the galaxy for the betterment of the entire universe before we develop space travel and start ruining other planets inhabited by alien life.