US Name: U.S. Agent
US Name: Uatu the Watcher
US Name: Ulik
US Name: Ultimates
US Name: Ultimates
US Name: Ultimates
US Name: Ultimo
US Name: Ultimo
US Name: Ultimates
US Name: Ultron
US Name: Ultron-5
US Name: Ultron
US Name: Ultron
US Name: Ulysses
US Name: Una
US Name: Abomination
US Name: Ani-Men I
US Name: Uni-Mind
US Name: Inhumans
US Name: Impossible Man
US Name: Una
US Name: Invisible Woman I
US Name: Invisible Girl
US Name: Invisible Girl
US Name: Sub-Mariner I
US Name: Unus the Untouchable
US Name: Impossible Man
US Name: Superman
US Name: U.S. Agent