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Brother vs. Brother
What the blog says
Eric Williams loves his brother and hates what he became. He blames the Avengers for Simon's death and becomes the Grim Reaper in _Avengers_ (1963) #52, with a scythe in place of his right hand (the game reads it as Cyborg). He even offers the Vision a place in Simon's preserved body (#102), and puts both "brothers" on trial in #160. The flavor text of Brother vs. Brother says it all: "If only you were my real bro… — Wonder Man