We'll see. He had a crack at one of the greatest comics of all time with Watchmen and couldn't knock it out of the park.
Well he made a pretty great movie from a comic which was deemed unfilmable. and is one best comic book movie on some people lists so that's some thing
Directing. Every scene in Winter Soldier that had multiple people on screen ended up with all but two characters being nothing more then flower pots. The Russo's seemed unable to balance multiple characters interacting at the same time.
If anyone should replace Whedon in the event of his departure it should be someone like Justin Lin who can handle scenes with several characters.
I agree with this point but the russos movie had a much better action even at lower budget and smaller scale