One is that the pizza in Hydra Empire seem to be in the trash can behind the hot-dog cart.
How do you unlock vehicles in Lego Marvel superheroes 2?
To unlock all Lego Marvel Superheroes 2 playable Vehicles, you basically have to finish the Story Mode levels and explore Chronopolis’s open world hub. This goes especially fast if you have access to flying vehicles and/or superheroes in between playing levels, races or challenges.