X Factor/Alexander Keffer (Earth-1)

X Factor was a super soldier that worked for M as his second in command besides Watt, X Factor would lead the Elite and Harbinger Task Force 3 against the Keepers. He would fight Brawler and use The Leviathan Serum II to go hand to hand. He was revealed to have been found by M nearly dead in the middle of the New Mexico. He later would go onto remember a fire and eventually remember his identity as Alexander Keffer brother to Nichlaus Keffer or Brawler during the Showdown between the Keepers and Necrocraft's Alliance. X Factor would go onto to betray M and Nick would learn his identity as well. He stayed in Granite Falls till the Invasion where he fought the Eclipse and The Ultimate Empire. He meet a young girl named Hannah during the Universe Collisions and then lead a ragtag team of Antiheroes including a now handicapped M who eventually betrayed them. X Factor would eventually become the American Warrior a soldier honored by the US Government and the President, he would lead the new Fireteam against threats.