According to marvelousnews.com, This is what I have been able to find out about the different lines.
1 In August the first of the two Hulk Legends waves is scheduled for release. This wave includes:
Son of Hulk
The End Hulk
Wave two comes out in September and includes:
Savage Gray Hulk
Also in September the Red Hulk wave is due out. This wave includes:
Black suit Spider-Man
Black suit Wolverine
This wave will only be availible at Target.
In December we finally get the Nemesis wave. The only drawback is that it is only availible at Wal-Mart. This of course still includes:
In the mean time there are eight two-packs that should be hitting shelves soon. Only five of the eight two-packs have been revealed and they include:
Elektra & Ronin
Ultimate Captain America & Ultimate Nick Fury
Shield Agent & Red Hand Ninja
Forge & Wolverine
Skrull & Kree Soldier
Rumors are that Mr. Fantastic & Thing will be together as well. Hope this helps!!!