The following is a summary of the most commonly held beliefs. It will be recognised that these Futurist beliefs are popular among Christadelphians today also, and have been presented as fact by Christadelphians on this board.
Futurists say that AntiChrist will make a sudden appearance:
Lindsey, Hal, "The Late Great Planet Earth," Zondervan Publishing House, Grand Rapids, 1970, page 108
Scripture says Christ will appear suddenly:
15 (Look! I will come like a thief! Blessed is the one who stays alert and does not lose his clothes so that he will not have to walk around naked and his shameful condition be seen.)