New boy Michael Platt grabbed an impressive hat-trick of tries as Bradford Bulls staged a magnificent recovery to make it two opening wins in the engage Super League this season.
Full-back Platt, snapped up from Castleford Tigers, took the honours as the Bulls fought back from 14-6 down just before the interval.
But it was far from a one man show as the Bulls dug deep to stun the Wolves.
Warrington, already without long-term absentees Adrian Morley and Chris Bridge, suffered a double pre-match blow with Martin Gleeson and Vinnie Anderson withdrawing.
But the hosts, boosted by their previous win at Wigan Warriors, went ahead with Lee Briers Like