what happened to the other gods?

What some other commentators say about the bears incident involving Elisha the prophet and a gang of mocking youths:
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The harmless "teasing" was hardly that--they were direct confrontation between the forces of Baal and the prophet of YHWH that had just healed the water supply (casting doubt on the power and beneficence of Baal!). This was a mass demonstration (if 42 were mauled, how many people were in the crowd to begin with? 50? 100? 400?).:
"As Elisha was traveling from Jericho to Bethel several dozen youths (young men, not children) confronted him. Perhaps they were young false prophets of Baal. Their jeering, recorded in the slang of their day, implied that if Elisha were a great prophet of the Lord, as Elijah was, he should go on up into heaven as Elijah reportedly had done. The epithet baldhead may allude to lepers who had to shave their heads and were considered detestable outcasts. Or it may simply have been a form of scorn, for baldness was undesirable (cf. Isa. 3:17, 24). Since it was customary for men to cover their heads, the young men probably could not tell if Elisha was bald or not. They regarded God's prophet with contempt....Elisha then called down a curse on the villains. This cursing stemmed not from Elisha pride but from their disrespect for the Lord as reflected in their treatment of His spokesman (cf. 1:9-14). Again God used wild animals to execute His judgment (cf., e.g., 1 Kings 13:24). That 42 men were mauled by the two bears suggests that a mass demonstration had been organized against God and Elisha." [Bible Knowledge Commentary]
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"The savagery of wild animals was brutal enough, but it was mild compared to the legendary cruelty of the Assyrians who would appear to complete God's judgment in 722 BC The disastrous fall of Samaria would have been avoided had the people repented after the bear attack and the increasingly sever divine judgments that followed it. But instead of turning back to God, Israel, as would Judah in a later day, 'mocked God's messengers, despised his words and scoffed at his prophets until the wrath of the LORD was [aroused] against his people and there was no remedy' (2 Chron 36:16)" [HSOBX]"
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"Elisha pronounced a curse similar to the covenant curse of Lev 26:21-22. The result gave warning of the judgment that would come on the entire nation should it persist in disobedience and apostasy (see 2Ch 36:16). Thus Elisha's first acts were indicative of his ministry that would follow: God's covenant blessings would come to those who looked to him (vv. 19-22), but God's covenant curses would fall on those who turned away from him. [NIV Study Bible notes, in loc.]
"If you remain hostile toward me and refuse to listen to me, I will multiply your afflictions seven times over, as your sins deserve. 22 I will send wild animals against you, and they will rob you of your children, destroy your cattle and make you so few in number that your roads will be deserted." (Lev 26.21f)
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Now, what will happen to the other gods in the end times?
Well, one thing I am sure of.
The coming Antichrist will exalt himself against everything that is called god, proclaiming that he alone deserves the sole worship of mankind.

"Let no one deceive you in any way, . . . the man of lawlessness is revealed, the son of perdition.

Who opposes and exalts himself above all that is called God or an object of worship, so that he sits in the temple of God, setting himself forth, saying that he is God." (2 Thess. 2:3,4)

The temple will be in Jerusalem (probably where the Dome of the Rock is now).
When that Jewish temple begins to be rebuilt, what an indicator that will be.

Antichrist, who stages a mock death and resurrection, will after this Satanic miracle sit in the temple in Jerusalem demand worship of any deity should go to him.

It is he who assures you can eat.
It is he who assures you can buy or sell.

Paul says he comes "with all deceit of unrighteousness among those who are perishing, because they did not receive the love of the truth that they might be saved." (vs.10)

If you do not love the truth of the Gospel of Christ today, you may not be able to resist the fanatical devotion to the Antichrist who comes with lying miracles. Many will say "We have this person, who longer needs Jesus Christ?"

"And because of this God sends to them an operation of error that they might believe the lie, So that all who have not believed the truth but have taken PLEASURE . . . in unrighteousness might be judged." (v.12)

Will Antichrist put down any and every kind of theistic religion?
I don't want to be here to find out. Men will worship Satan who gave the Antichrist all his power and evil authority.

"And they worshipped the dragon because he gave his authority to the beast; and they worshipped the beast, saying, Who is like the beast? And who can make war with him?

And there was given to him a mouth speaking great things and blasphemies, and authority was given to him to act for forty-two month."

This will be the worst forty-two months in human history on the earth.
It is better to love the truth of the Gospel of Christ now.

"And he opened his mouth for blasphemies against God, to blaspheme His name and His tabernacle, which tabernacle in heaven." (Rev. 13:13:6 Recovery Version)

If the one true living God is blasphemed by the coming Antichrist, no wonder all false gods will be put down also.