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Assume we have two Schrodingers' Cats. After a while, they will be in a superposition of being alive and dead at the same time. Now assume that they are entangled, and we open the boxes at the exact same time.

Cases:

Cat 1 and 2 are alive

Cat 1 and 2 are dead

Cat 1 is alive, 2 is dead

Cat 1 is dead, 2 is alive

However, as they are entangled, the opposite must happen to the other cat, so the two cats cannot be both alive and dead at the same time -- or can they? Since you are opening the two boxes, or measuring the states of the cats at the

*exact same time*, aren't all of these cases possible? If they are both dead, let's say, they also both must be alive at the same time, due to their entanglement. Therefore, even after measuring the states of the cats, there is a superposition happening.

Now assume there are two entangled particles, with a clockwise and counterclockwise spin at the same time. If both particles' states are measured at the same time, will the particles be in a superposition even after measurement due to entanglement?

I have heard that entanglement is an instantaneous process, but assuming both boxes are opened/both particles are measured at the same time, will a second superposition occur?