AdventureRacing
Member
I think the problem is that Marvel has (more than) enough properties that they could bring to the big screen instead.
But they would be starting from scratch. Ant man has already built an audience and will feature in the team up movies which should increase the profile of the IP. The first movie also seems to have been received quite well. A sequel is likely to do a lot better than the original and is less of a risk than starting all over.