Whatever you do, if somebody tells you they are still reading them religiously today, don't let them get started. If they don't try to, fine. You are talking to a perfectly normal person who has an unusual love of sonic the comic. If they just stay awkwardly silent, walk away. Either they're feeling awkward about it, or they are preparing to lecture you. If they start talking about it, and do not recognise any signs of you being disinterested, run. You will want to kill them via a thousand papercuts if you listen to more than five minutes of it. Trust me on this. Those kind of fans exhibit a special kind of obsessiveness.
Now that's over and done with, I had a couple of issues when I was a kid. Largely harmless at the time, then again, that was when it was just sonic and a handful of other characters. I vaguely remember getting one when sega were just starting to add extra, unneccessary characters, and seeing them trying to justify them, even at that age, was a mindfuck to behold.