Marvel superheroes and the heroes of goo jit zu have combined forces bringing the ultimate line up of the stretchiest, gooiest and squishiest superheroes ever – all ready to defeat evil and save the day'! '.strtoupper('e')ach hero has a unique goo filling with a different texture and feel'. '.strtoupper('t')here are 4 marvel superheroes to collect in series 1 including iron man, captain america, hulk and spider man – collect them all!