What do foxes eat and how do they get it?

Answer 1

Wolves and bears.
wolfs, mosquito (since they suck its blood), and some humans who live in remote jungle tribes, but not many animals really
Foxes aren't generally eaten by anything, however eagles and larger carnivores may attack them.

Answer 2

Carrion (dead animals, like roadkill). Small Mammals, often preformed by "mousing" they locate by sound jump 3-4 meters in the air and land on the mouse, shew, lemming, ect. Nesting birds, by knocking them off their branch. Rabbits, by stalking as close as possible and chasing them down. Fruits and vegetables either straight from the source or from human refuse.