E3 2019: The game studio behind ‘Marvel’s Avengers’ knows you’re unhappy. What’s next?

With more than half a century of comics, as well as more than a decade of films in the current Marvel Cinematic Universe, there’s plenty of art and inspiration to pull from — all of which feed fans’ strong opinions of how, say, Iron Man should look and sound, especially in the wake of this year’s blockbuster “Avengers: Endgame.”