72. "thor couldn't be separated from his hammer or he'd turn back..." In response to In response to 33
...into donald blake.
iron man originally had to keep his suit powered up or he'd face the threat of heart failure.
it seems like moon knight had some weakness related to needing moonlight, but i can't recall exactly.
hmmm...
juggernaut's only weakness was telepathic attack, hence why he wore his 'telepathic attack proof helmet' which some x-man always used to manage to get off
but you wanted to know about heroes...
marvel heroes generally had interpersonal weaknesses...like villains would discover their secret ID and kidnap their girlfriend or something. ___