Beware of Antichrists 

• 1 John 2:22 "I have not written to you because you lack knowledge of the truth, but because you have it, and because no lie comes from the truth. 22 Who is the liar, if it is not the one who denies that Jesus is the Christ? This is the antichrist, who denies the Father and the Son. 23 Whoever denies the Son does not have the Father, but whoever confesses the Son has the Father as well."
  
• Revelation 13:1-18 - And I stood upon the sand of the sea, and saw a beast rise up out of the sea, having seven heads and ten horns, and upon his horns ten crowns, and upon his heads the name of blasphemy. 
• 2 John 1:7 - For many deceivers are entered into the world, who confess NOT that Jesus Christ is come in the flesh. This is a deceiver and an antichrist. 
• 2 John 1:9 “Whosoever transgresseth, and abideth notin the doctrine of Christ, hath not God. He that abideth in the doctrine of Christ, he hath BOTH the Father and the Son.”
• 1 John 3:9 KJV " Whosoever is born of God doth not commit sin; for his seed remaineth in him: and he CANNOT sin, because he is born of God."
• Isaiah 43:10 KJV "Ye are my witnesses, saith the Lord, and my servant whom I have chosen: that ye may know and believe me, and understand that I am he: before me there was no God formed , neither shall there be after me." (More here)
• Micah 5:2 KJV "But thou, Bethlehem Ephratah, though thou be little among the thousands of Judah, yet out of thee shall he come forth unto me that is to be ruler in Israel; whose goings forth have been  from of old, from everlasting."
• 2 Thessalonians 2:3-12 - Let no man deceive you by any means: for that day shall not come, except there come a falling away first, and that man of sin be revealed, the son of perdition; 
• 1 John 2:22 - Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son.
• Mark 13:22 - For false Christs and false prophets shall rise, and shall shew signs and wonders, to seduce, if it were possible, even the elect. 
• 1 John 4:3 - And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God: and this is that spirit of antichrist, whereof ye have heard that it should come; and even now already is it in the world.
• 1 John 2:18 - Little children, it is the last time: and as ye have heard that antichrist shall come, even now are there many antichrists; whereby we know that it is the last time. 
• Matthew 24:24 - For there shall arise false Christs, and false prophets, and shall shew great signs and wonders; insomuch that, if it were possible, they shall deceive the very elect.
• Mark 13:6 - For many shall come in my name, saying, I am Christ; and shall deceive many. 
• 1 John 4:1-3 - Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world. 
• Revelation 19:20 - And the beast was taken, and with him the false prophet that wrought miracles before him, with which he deceived them that had received the mark of the beast, and them that worshipped his image. These both were cast alive into a lake of fire burning with brimstone. 
• Revelation 13:16-17 - And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads: 
• Matthew 24:5 - For many shall come in my name, saying, I am Christ; and shall deceive many. 
• 2 Thessalonians 2:4 - Who opposeth and exalteth himself above all that is called God, or that is worshipped; so that he as God sitteth in the temple of God, shewing himself that he is God. 
• Revelation 13:1 - And I stood upon the sand of the sea, and saw a beast rise up out of the sea, having seven heads and ten horns, and upon his horns ten crowns, and upon his heads the name of blasphemy.