Throughout the 1980s and 1990s the team generally work alone, but occasionally work as hired hands for other villains. Working for the Leader, they attack the Pantheon, injuring dozens of civilians. Despite the handicap of an orphan girl who had gotten mixed up in the battle, the Hulk and the Pantheon soldiers manage to subdue some of the U-Foes. The villains are tricked into hurting each other. During the Acts of Vengeance, the U-Foes face the West Coast Avengers with the help of the Mole Man, but they are defeated.