In 1 John 2:18, “many antichrists have come” means many false teachers and apostates were already opposing Christ in John’s own day.
What Does It Mean That Many Antichrists Have Come in 1 John 2:18?
Explaining the Antichrist: The Biblical Doctrine of Opposition to Christ
The antichrist is the many-sided biblical opposition to Christ, already active in the apostolic age through false doctrine, apostasy, and denial of the Son.
