a lot of those characters dc ripped pff of marvel, and marvel is clearly better. if they had a marvel vs dc thing, marvel would win hands down. And don't go tryin to say "but superman can only be killed with krytonite!!!" cuz marvle has people that could go to krypton, get some kryptonite, and be back to kill superman before dinner. Besides, stark probably can just make some suit that gives off the same amount and type of raidation, so marvel wins, hands down
Batman versus Ironman = Ultimate Fight.