The original casting out of Satan from heaven took place before Adam.
Read
*Isaiah 14:12-15 it tells of the rebellion of Satan and
..........how he fell from heaven.
*Ezekiel 28:14 tells of the original position of Lucifer.
..........He was the 'anointed cherub that covereth'.
..........Pride and self-will was what removed Lucifer
............from his high position.
*Isaiah 14:15 shows his overthrow was not complete.
..........He still was able to move about in the
.............heavenlies, and even accuse the saints
.............before God.
The 12th Chapter of Revelation ends his times in heaven.