Bismuth is the Amalgam version of DC's Tin and Marvel's Toad.
Bismuth is a member of the Magnetic Men. He was built diamagnetic and cannot be controlled by magnetism. He has toxic and corrosive abilities made to fight the robots of Will Magnus. Bismuth was eventually killed with his team in a battle with the Impossible Mod.
Magneto restored him to life, but disbanded the team. Bismuth had now gained sentience and Magneto told him to go live a human life. Bismuth was able to change into a human at will. His given name is Snapper Jones and his profession is street musician.
The team eventually reformed to continue to fight Will Magnus.