It seems there might be a slight misunderstanding in your question, so let's clarify a few concepts related to entanglement, quantum mechanics, and the multiverse theory.
Entanglement is a phenomenon in quantum mechanics where two or more particles become correlated in such a way that the state of one particle cannot be described independently of the others. When particles are entangled, their properties are linked regardless of the distance between them. However, it's important to note that entanglement does not allow for the transmission of information faster than the speed of light.
Now, let's address your question about a particle in boiling water and its entangled counterpart. The properties of entangled particles are strongly correlated, but this correlation does not imply a direct causal connection between the two particles. So, the behavior of the particle in boiling water will not directly determine the behavior of its entangled partner, regardless of the distance between them.
Regarding the concept of a multiverse, it is a speculative idea in theoretical physics that suggests the existence of multiple universes, each with its own set of physical laws and conditions. The multiverse theory is not directly related to entanglement or the behavior of particles. It is proposed as a way to explain certain features of our universe, such as the fine-tuning of physical constants or the interpretation of quantum mechanics.
In the context of the multiverse theory, it is often proposed that different universes could have different sets of physical laws or initial conditions, which might result in different behaviors and outcomes. However, it's important to note that the multiverse theory is still speculative and not yet supported by direct experimental evidence. It remains an active area of scientific investigation and debate.
In summary, entanglement does not allow for direct control or determination of the behavior of entangled particles, regardless of the distance between them. The concept of a multiverse is a speculative idea in physics that proposes the existence of multiple universes, each with its own physical laws and conditions, but it is not directly related to entanglement or the behavior of particles.