Wonder man has superhuman levels of strength and has invulnerability powers.He was jailed but was released by Baron Zemo and undergo some experiment to give him superhuman powers in return but with some treatement with Baron Zemo only to prove his loyalty. He befriend the Avengers to be able them to be lured to Baron Zemo but he switch sides which he had a coma after and died.Source here
His brain pattern were recorded by scientist to be able to build the android Vision.
image sourceHis real name is Simon Williams and he has a brother named Eric Williams which has also a superhuman the Grim Reaper.Source here