 Results were predetermined by WWF's writers, with storylines produced on their weekly television shows, "Superstars", "Wrestling Challenge", and "Prime Time Wrestling".The main feud heading into the Royal Rumble was between the 30 superstars from the entire World Wrestling Federation (WWF) who had selected to participate in the first-ever 30 man Royal Rumble match.Big John Studd returned to WWF in late 1988 and turned babyface after not siding with former manager Bobby Heenan and began a feud with Heenan's client André the Giant.