User blog comment:Cfp3157/Season 3 Episode 5: Etrigan the Demon vs. Hellboy/@comment-5232784-20130515222813/@comment-2149911-20130516031431

For the record, Hellboy is fully capable of going toe to toe with Superman and hold his own, don't underestimate him.

Also those bullets Hellboy carries are fully capable of harming hellboy due to the fact it has cold iron and some holy fragments to do some damage.