Originally Posted by JB-the-Hunter
Sure Falcon would add another fighter, but he doesn't add a new element at all, which is my problem. In the world of the Avengers, it makes since to add him because he can help. But out here in the real world as an audience member, it doesn't. Falcon is like a Jack of two trades and a master of neither.
Having someone with his skill set does make a difference. Yes, both Iron Man and Thor can fly but neither of them are actually trained or good at performing reconnaissance and such. Flight + trained spy = a unique, valuable asset.