Invisible woman having ditzy moments...

Today we know and love Sue Storm as an accomplished fighter and biologist who can project unbreakable force fields. But at first, she was shown as a scatterbrained dingbat who shouldn't be let  anywhere near danger or science. Fans wrote harsh letters to the editors wondering why she was allowed to be on the team, especially when this is the kind of detective work she brought to the table:

We are all glad she outgrew her ditzy image and emerged as the powerful hero featured on the pages of the Fantastic Four.