Julieta is still alive.Somehow she escaped the party, possibly with the help of the pastor. If there's a sequel, it will focus on the two of them trying to unite the other Animate Inanimate Objects of the household against the humans and avenge Roméo.
Conversely, Roméo survives instead of Julieta.We were misled and Roméo was merely injured instead of killed. In a twist, it will be revealed that Julieta was the one to die instead. and Roméo will attempt to avenge her while learning to cope with the horrific injuries he sustained during the party. Hell, he may even become a Handicapped Badass.
Tikidude was Evil All Along.He doesn't react when the piñatas are grabbed because he's in league with the humans.