But if the attacker is put down while attempting the first shot, then there's not likely to BE anymore attacks. Don't get me wrong, interrupting a charge from Flash is nowhere near as impressive as blocking multiple punches from him just because of the numbers involved, but then again if you can consistently tag Flash before he reaches you in the first place then he's going to have a tough time throwing multiple punches in the first place(also note that I'm not comparing Iron Man's speed to Flash's, he's just the first that comes to mind when I approach the subject).
When I mentioned it being more impressive, I was actually thinking of a blitz that started off successfully and is then interrupted(because that's normally what happens), I wasn't thinking of a character blocking/dodging EVERY attack in the blitz. That's undeniably more impressive...