Do we think that Satan having been defeated during the three days and three nights, that he remained inactive?
No not at all, he immediately set about perverting the ‘back to the Torah’ movement that Yahushua had started.
He got his opportunity when Nero wiped out the assembly in Rome. Rome was the capital of the world and to have a trojan horse in Rome was a huge asset. It just may be that just such a trojan horse was set up in Rome as a ‘revived’ ‘christian’ movement in the closing years of the 1st century.
But this trojan horse was a symbiosis between pharisaic Judaism and the mithra cult, and which grew quickly and became very influential from the 1st to the 4th centuries in Rome, culminating in a line of emperors, one of whom was Constantine.