TouchArcade: If you missed this the last time it went free, make sure you don't make that mistake again. Marvel Pinball [Free] is yet another suite of pinball tables from the pinball wizards at ZEN Studios. They're also responsible for Zen Pinball [Free], The Walking Dead Pinball [$1.99] and much more. The way their pinball games work is pretty cool, in that they're a collection of tables you can permanently unlock via IAP.
