>>211945559You'd never say someone in a medieval film has to know their Middle Ages. Or being in a sci-fi movie requires an interest in futurology. Don't see why it's different for actors (not writers/producers) in a comic book project.
>>211945881Practice talking, listening to yourself and assessing where the filler words are. That said, it's not the worst thing in the world to pause between yapping. Keeps you from saying the wrong thing sometimes. Regardless, it helps when you've mentally planned out whatever you want to say.