Fan Casting The Superior Iron Man (Season One)

Arno Stark was a well known engineer specialising in nanotechnology and helping make agriculture more sustainable. His brother Tony ran the company Stark Unlimited which was founded by their father Howard. Arno was diagnosed with heart cancer so Tony tried to stop it but when an alien symbiote fell from the sky Tony got Arno to bond with it saving his life by combining it with an arc reactor. Arno found out Howard was a time travelling monarch named Kronos.