The problem with Ex2 (parody aspect aside) is - there are some characters without "their moments". In Ex1 Crews had his tunnel shooting scene, Couture fought Austin, Dolph had his one on one with Li etc. Those three characters in the sequel were basically wasted. I can't remember anything Gunner did, that was not comic relief moment, well, maybe one kick in final battle, and he has been driving one of the vehicles at the beginning but nothing really cool like most of his scenes in Ex1. He had much better role in first movie even if he wasn't present in final battle; here, he was present but hasn't done anything special, which is a shame.
And btw whose idea it was to make Statham the second main hero after Stallone? It should've been Dolph

I am disappointed by this movie flaws, it's still nice to watch, but falls short compared to its predecessor. If they ever make Ex3, I hope it will be much better than that. In fact, I'd rather see actual action movie than another sequel based on "gathering of action stars" idea again. No need for Willis, Arnold or Chuck again. I'd like to see a movie about Expendables - Sly, Statham, Dolph, Crews, Couture - just give them some recognizable villain (Kurt Russell? Seagal?) and that's it. Also, kill off some of the heroes to give more tension, and
not someone added just to be killed like Hemsworth in Ex2, but someone more important.
And what you guys think of picture quality? For me, Ex2 looked just fugly quality-wise.