so as far as i can tell characters with the tiny ability can still carry normal figures as well as being carried themselves.

for example you have wasp(cw30) and lets say hawkeye(cw39) with the tiny ability hawkeye can carry wasp, with no -2 to movement, can the wasp still carry hawkeye with the -2 penalty?

No. From the carry ability:

The following characters can't be carried: Larger characters...