Now here me out fellas, in my not so humble opinion this next idea is the best one on here:
A bridge humbucker that sounds like a beefy single coil.
Here's why. It's not a radical departure from the norm like some of these ideas, so it will be more likely to sell. There are some pickups that serve a similar function on the market, but none designed with this as their chief goal so it's a relatively blue ocean in the pickup world. It would require no large orders of new magnets and would require little changes to the machines.
This pickup would feature coil imbalance to scoop the lower mids so that the humbucker could be wound hotter to roll of the ice pick tone of a Strat bridge to a more humbucker-like upper mid push. When split, it would sound closer to a traditional strat bridge. I haven't decided if this would be a better idea as a single or full sized humbucker, but the goal would be the same, to allow people to have a balsier bridge tone while still having some Strat mojo. While this may sound like it's been done before, I could argue that it hasn't been done well.