Sheik with Freddie Blassie and Nikolai Volkoff. The Iron Sheik returned to the WWF in 1983 and challenged Bob Backlund for WWF World Heavyweight .\rbr\rbrTeaming with the Iron Sheik (1984–1987) In 1984, Volkoff returned to the now WWF and teamed with the Iron Sheik with the pair being managed by the .\rbr\rbrWWF Hasbro Custom Classy Freddie Blassie WWF Hasbro Custom The Iron Sheik WWF Hasbro Custom Crusher Blackwell WWF Hasbro Custom Ivan Koloff .\rbr\rbr\rbr\rbrOrndorff signed with the World Wrestling Federation in late 1983 and made his debut in November of that year on Championship Wrestling. Starting in January .