I think Marvel really have it nailed as far as the fanbase goes - I love Marvel movies (I'm a bigger DC fan, it has to be said) but I've kind of suffered from not seeing Cap America II and Thor II. I used to watch Agents of Shield, but what I found was you have to be bang up to date with the movies as well because they reference things that you may not have seen. In S2 of Shield, I was totally lost because I didn't know what they were going on about half the time.
It's pure fan service - and in a good way as I'm in minority not having kept up with the movies, but I can't let that take away from the brilliant work they've done with linking and connecting all this stuff up.
I think that would be possible to do with A(vP) too, but it's a big call for them to make. I really do think AvP3 will see the light of day, but I wonder if they'd be brave enough to reference Black'n'Blom's films... I just don't know.
I guess it depends on how they handle AvP3 - what they think the market is. It wouldn't be hard to make a more cerebral take on the "versus" aspect, but I imagine it'll be all about the demographic in that Aliens and Predator are (obviously) cinematic works where as the Versus is based on a game.
I don't think these retries at Aliens and Predator will inform the versus movie at this stage. But sequels might?