This has been foretold:

By Virgil

Written 37 B.C.E

Eclogue IV

APOLLO /APOLLYON /BEAST from the ABYSS

Now the last age by Cumae's Sibyl sung Has come and gone, and the majestic roll Of circling centuries begins anew: Justice returns, returns old Saturn's reign, With a new breed of men sent down from heaven. Only do thou, at the boy's birth in whom The iron shall cease, the golden race arise, Befriend him, chaste Lucina; 'tis thine own Apollo reigns. And in thy consulate, This glorious age, O Pollio, shall begin, (Apollyon 5th Trumpet Rev.9) And the months enter on their mighty march. Under thy guidance, whatso tracks remain Of our old wickedness, once done away, Shall free the earth from never-ceasing fear. (Hybrids) He shall receive the life of gods, and see (Gen. 6,Dan. 2:40-->) Heroes with gods commingling, and himself Be seen of them, and with his father's worth Reign o'er a world at peace. (Antichrist Kingdom)

The real alien invasion:

Rev.12:7 And war broke out in heaven: Michael and his angels fought with the dragon; and the dragon and his angels fought, 8 but they [a]did not prevail, nor was a place found for [b]them in heaven any longer. 9 So the great dragon was cast out, that serpent of old, called the Devil and Satan, who deceives the whole world;

(Satan)he was cast to the earth, and his angels were cast out with him.

10 Then I heard a loud voice saying in heaven, “Now salvation, and strength, and the kingdom of our God, and the power of His Christ have come, for the accuser of our brethren, who accused them before our God day and night, has been cast down. 11 And they overcame him by the blood of the Lamb and by the word of their testimony, and they did not love their lives to the death. 12 Therefore rejoice, O heavens, and you who dwell in them.

Woe to the inhabitants of the earth and the sea! For the devil has come down to you, having great wrath, because he knows that he has a short time.”