Warwick's ultimate should function like Vi's

It's simply stupid that he appears on you out of nowhere. He's a werewolf, he should be running at you like a bolt, jump you and destroy you.

Make it so he's unstoppabe while running, but can still be stopped after he reaches his target.

Additionally, his target should bleed for X seconds, which would vary depending on how many hits he got while the target was suppressed.