I don't think it's possible. Heat death is a theoretical concept in physics and comics are fictional, so it's hard to prevent something like that within the comic world.
Well, heat can have a few negative impacts on comics. It might make the ink bleed, the pages stick together, or even cause the binding to weaken over time.
Well, heating pressing comics requires some know-how. Get a suitable press, do some research on the ideal temperature and pressure settings for comic materials. Also, keep an eye on the time to ensure you don't overdo it and ruin your comics.
In general, bed bug heat treatment shouldn't damage bagged comics. The treatment is focused on eliminating the bugs and is usually controlled to minimize damage to non-target items. However, it's possible that extreme heat or improper application could have some negative impact.