Entertainment Earth has these in Stock The case Ratio is as follows:
2x Wolverine vs. Hulk
2x Silver Centurion Iron Man vs. Mandarin
1x Wolverine and Captain America
1x Thor and Iron Man
1x Spider-Man and Captain Britain
1x Colossus and Juggernaut
So if You see Colossus Vs Juggernaut You'd better pick it up!