What is in the cup?
15 Thus the Lord, the God of Israel, said to me: “Take from my hand this cup of the wine of wrath, and make all the nations to whom I send you drink it.
17 Wake yourself, wake yourself, stand up, O Jerusalem, you who have drunk from the hand of the Lord the cup of his wrath, who have drunk to the dregs the bowl, the cup of staggering.
...an angel speaks, “If anyone worships the beast and its image and receives a mark on his forehead or on his hand, he also will drink the wine of God’s wrath, poured full strength into the cup of his anger” (verses 9–10).
...whom God displayed publicly as a propitiation in His blood through faith. This was to demonstrate His righteousness, because in the forbearance of God He passed over the sins previously committed.
Therefore, He had to be made like His brethren in all things, that He might become a merciful and faithful high priest in things pertaining to God, to make propitiation for the sins of the people.
1 John 2:2
...and He Himself is the propitiation for our sins; and not for ours only, but also for those of the whole world. (When referring to the whole world it is referring to His elect in all nations)
1 John 4:10
In this is love, not that we loved God, but that He loved us and sent His Son to be the propitiation for our sins.
At the cross, Jesus took our sin upon Himself. He paid the penalty for our sin. He became our substitute. At the cross God’s justice was satisfied, and His love fulfilled. Then Jesus said, “It is accomplished.” And He bowed His head and gave up His spirit.