To get past the rubble on the Hydra balloon in level 5 of LEGO Marvel Super Heroes 2 go into the glass room and use the switch. Destroy the red box and use it to assemble a bounce pad:
Destroy the chest and use it to build a podium for Captain America:
Stand on the podium and throw Captain America’s shield at the bounce pad. Build a launch pad and use Star-Lord to throw a gravity booster.