Can Incapacitate be blocked by anything? i.e. Super Senses or Shape Change

Thanks in advance

Incapacitate relies on a successful hit before taking affect. Both Super Senses and Shape Change can avoid a successful hit. So as long as you make your SS/SC roll then yes, you can avoid Incap.

No entirely true.

Super Senses avoid the attack, yup, but Shape Change prevents the attack from occuring in the first place (it is rolled when the character is first targetted, before the attack roll).

While the end result is the same as far as the character with Shape Change is concnered, the character next to him (who got nailed with that Incap attack when the Shape Change figure was no longer a legal target) might have something to say on the matter

Well, he WOULD say something, but then he'd get another token and get pushed...

(Is "Complain To Your Teammate" a Power Action or a Move Action?)

Depending on the character, it could be a free action. Jubilee talks nonstop

Spider-Man would probably get a +1 bonus for non-stop talking... it should be a special power with permanent Perplex for him!