As resported on blabbermouth.net:

According to a posting at ScorpsNews.com, SCORPIONS guitarist Rudolf Schenker revealed in the latest issue of the French magazine Rock Hard that SMASHING PUMPKINS frontman Billy Corgan makes an appearance on vocals in the new SCORPIONS song “The Cross”, which is included on the band’s new CD, “Humanity – Hour 1”, due in Germany on May 25.

We have to remember blabbermouth.net is one the biggest internet rock websites in the world. So if they are going to our link and taking news then that is a good sign for things to come.