(Marvel vs Capcom 2) Silver Samurai beginner's guide 

All the install super bonuses stack up to 3 times. Ice level 3 gives Hyper Armor.

This is why Marvel versus Capcom 2 was the best in the series

You missed that ice super is scary for blocking opponents, and does more and more chip damage each time you stack an additional ice install super (in addition to granting more armor with each additional install).