Since Luke 4:8 And Jesus answered and said unto him, "Get thee behind Me, Satan: for it is written, 'Thou shalt worship the LORD thy God, and Him only shalt thou serve.'"
Since that command Satan has been held 'behind' Christ, now where is Christ now?
Revelation 12:7 And there was war in heaven: Michael and his angles fought against the dragon (devil): and the dragon fought and his angels, (what Satan has a 'crew'.),
8 And prevailed NOT, neither was their place found any more in heaven.
9 And that great dragon was cast out, that old serpent, call the Devil and Satan, which deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.
We are going to have 'visitors', and they are NOT pleasant visitors they are pretenders.
He is "the Prince of the Powers of the Air". Eph. 2:2.
He is "the god of this World" (Age). 2 Cor. 4:4.
He still has his abode in the "Heavenlies" and has access to God. He accuses the brethren day and night.
He is by NO means bound at this time.