Aliens (Xenomorphs)
Aliens (or Xenomorphs as they are formally known) are living, breathing weapons with absolute adaptability, no fear, and no mercy. They will destroy anything that attacks them. With their acidic blood, tongues with teeth and tails that can kill, Xenomorphs are one of sci-fi's most fearful alien species.
All-Star Squadron
A famed wartime super-group which included almost all the heroes of the time, combining members of the Justice Society of America, Freedom Fighters and the Seven Soldiers of Victory with assorted solo heroes. The team was briefly revived by Alan Scott during the Final Crisis storyline.
Alva Industries
An international multibillion dollar corporation raised and patented by it's namesake creator Edwin Alva. A great many minds commingle within, creating a litany of groundbreaking properties ranging from advanced tech to chemical and biomechanical facilities. Much of which acting as a front for the C.E.O's more clandestine escapades.
Amazing Friends
Team consisting of Spider-Man, Iceman and Firestar. Though the group has only had a handful of comic book appearances, the trio had their own popular animated series in the 1980's. The Ultimate Universe version consists of Spider-Man, Iceman and the Human Torch instead of Firestar at first, but she later joined.