Kraven is a big game hunter who considers superheroes as the most challenging prey. He posses enhanced strength, agility and speed due to jungle elixirs he drank to improve his hunting skills.
In Ultimate Spider-Man
In the Ultimate Spider-Man TV series, Kraven the Hunter is the man who destroyed Hector Ayala, the father of Ava Ayala. Eventually, he found the whereabouts of White Tiger in New York. Spider-Man, while not being wanted by either side at that location, helped White Tiger defeat Kraven the Hunter. Eventually, Kraven stole White Tiger's amulet, making White Tiger herself go back to her usual behavior and turning Kraven into a humanoid white tiger, Ava losing her powers in the process. Eventually, Spider-Man and White Tiger defeated Kraven and regained the amulet.