In 1996, Vader was hired by World Wrestling Federation, Vader appeared at WrestleMania XII, in a fight between six Vader, Owen Hart, British Bulldog vs Yokozuna, Ahmed Johnson and Jake Roberts. Vader's team won the match. Vader faced the champion of the WWF Shawn Michaels at SummerSlam in 1996, and then faced The Undertaker in the Royal Rumble.