Yeah Punisher belongs up there, Iceman is a bit closer to the middle of the pack like Iron Man is. Solo dummy ttks are very misleading, that's why Hulk has a 17 second ttk. They're trying to establish the new standard with a 3 man dummy ttk, so it's actually a measure of sustained dps instead of burst. On a 3 man dummy, Hulk drops out of first place and ends up about on par with Venom, which is still a very respectable ttk.
Also, the recipe to unbind medallions is 200 cube shards, so I haven't bought it. That's 20 mark 1s worth of shards.