armored frame with superhuman strength, high resistance to temperature extremes and physical force, plasma-generated flames for flight or pyrotechnic blasts from the arms, mouth, or head, teleportation unit
The second MLF were actually anti-mutant activists posing as evil mutants to ensure bad blood between humans and mutants. Blastfurnace was an unmanned robot posing as a pyrokinetic mutant in a containment suit. It was operated by remote control, but the identity of the operator was never revealed. The robot was destroyed twice, in Punisher (3rd series) #14 and #16.