not a dumb idea. just say something simple like: “Hey, i’m going down to [comic book store name]. wanna come with?” or “Wanna go to [comic book store name]?” be chill when asking, and smile. if she says “yes,” just say, “cool,” and make arrangements for when to go.
the best way to avoid getting all nervous, etc. is to keep it very simple.
good luck!
edit: btw, if she says “no,” stay chill and say, “ok, well, maybe another time,” then walk away. smile again because it’s cute. remember: she likes comic books, and you can always ask again, so no need to get too bummed out.
Edit 2: after looking at a lot of these other comments, I think I should mention, re: confidence— RELAX. Take a deep breath and don’t put too much pressure on yourself or the situation. The more natural it goes, the better.
Everyone here is giving advice that seems to try too hard, and I gotta say: don’t. If you’re more relaxed and pay more attention to what she’s interested in, you’ll actually be on your way to developing a relationship.
i replaced mine with random gibberish. several times. over the course of a week.
then i deleted them