James Gunn’s “Superman” — starring David Corenswet as the Man of Steel — surprised even the most worn-out critics with its “charm.”

David Corenswet's constant acting questions on the set of "Superman" became writer/director James Gunn's Kryptonite

While some might be taken aback by that approach, Corenswet appreciated that Gunn was willing to say what he wanted out loud "without too much politeness and without beating around the bush." "If I'm no good, tell me I'm no good, and then let's work together to make me good," he added.