Well, one problem is they are called 'comic' when in fact they are not necessarily that. Just because they are drawn rather than written don't make them Donald Duck. Like, what is 'comic' about Sin City? Or John Wick?
And Spielberg already tried Tintin, and while I liked it and hoped for a...
I found Atomic Blonde to be quite entertaining, and in a different vein, Bullet Train was also entertaining.
And of the Batman movies, Batman Begins is my fav.