Hasbro is supposed to release the new set of Marvel Legends 2-packs this year, however I haven't heard when exactly they planned to release them. There may have been an announcement at NY comic con but I haven't been able to find very much coverage of the con.
Times Square already has (HAD) them for sale @ 29.99ea as a NYCC pre-release thinger.
So you'll find them on ebay at VERY inflated prices.
Otherwise,
Nothing will be happening with Legends until 2012.