It's not that they are not there, just that I feel many writers write him as just Peter going through a mood swing.
Kaine's are easier to write .
Kaine is used to rough living, impulsive.
And peter is also one of the best at self-doubt and low confidence.They will be harder to diffrentiate in that aspect.
Also if they make way of the spider stick(which I really hope they do), that would help in the fighting department.
Can you elaborate on open-minded and "hip"