Simon Williams became Wonder Man as a result of scientific experiments that bombarded his body with ionic energy. Now his eyes glow with power and he possesses superhuman strength, speed and durability. Originally an enemy of the Avengers, Wonder Man soon realized he had been manipulated into attacking the team and now he uses his amazing powers as a full-fledged Avenger. Wearing his Avengers symbol ring, this mighty hero will always heed the call, "Avengers Assemble!"