Originally Posted by Donut
They could always say that Hank & Tony are old friends & that Hank helped Tony make him / the equipment used to make him or something like that & they eventually had a falling out etc
this could work as scott lang will be the main character for antman.
you could then introduce hank in A3 as giant-man.
you could even say they fell out over wasp.
Would be cool if jarvis was ultron but it won't happen cos they got a new actor for the role. so i'm sure it will be an entirely different entity.