U.S.Agent (2001) #2

S.H.I.E.L.D.

U.S. Agent

With the end of the Vietnam War, John Walker thought his dreams of becoming a war hero had also ended, until he learned of the Power Broker, who could give anyone superhuman powers, which Walker used to first become Super-Patriot and later, U.S. Agent.

Attuma

Attuma was born into the tribe of Homo mermanus who eschewed civilization to live as nomadic barbarians. For some unrecorded reason, Attuma was endowed with strength far surpassing that of his people.