Simon Williams had at first a businessman competitor Tony Stark, who fell by an embezzlement. He was released by the Lords of Evil, led by Baron Zemo, who paid his bail. Zemo introduced him into a machine with which the great superpowers, and then organized a fight with the Avengers for the Wonder Man, the name they gave him, the intervention to help the Avengers and the sea as a member, acting as a spy . Zemo ensured the loyalty of Man. Wonder.

However, when the Avengers were defeated and they were by the matrices, the Wonder Man decided to betray a Zemo in all ways and save the Avengers, even at the price of his life.

Williams' brief passage through the group did not go unnoticed as one might suppose. On the one hand, his brother Eric Williams, accusing the Avengers for his death, took the identity of The Reaper to avenge him and destroy the group. And on the other hand, Henry Pym retained a copy of Wonder Man's brain brains, which were stolen by Ultron and used as a pattern for the android brain Vision.

A time later he came back to life. In reality, the death of the Wonder Man was the beginning of a complete metamorphosis that altered his body and transformed it into a pure ionic energy. He was only a simple sight human, and we wear glasses all the time to hide the unnatural aspect of his eyes. He came to have his own series that came to have more than 50 issues. And some miniseries like the co-starring with The Beast.

In this state he was supposed to be immortal, but he died again in the explosion of a Kree ionic bomb in the first issue of Force Works, the series that emerged after the West Coast Avengers (The New Avengers, As it is called in Spain, nothing to do with the current one). Even so, the Scarlet Witch has become a silence in love for the Scarlet Witch so as not to go into oblivion. This allows you to get an invitation to life permanently.

For a while he was in the couple with the Scarlet witch, until she finally returned with her former husband, the Vision.