"Till the World Ends" Femme Fatale Four Pack

Britney Spears will soon release a bundle pack for TTWE on iTunes including - 

• Till the World Ends (Femme Fatale Remix) Feat. Nicki Minaj & Ke$ha
• Till the World Ends (Culture Shock Remix)
• Till the World Ends (DANCE Till the World Ends) - Video
• Till the World Ends (Culture Shock Remix) - Video

It's unknown as to whether the pack will be released worldwide or just the US.