What's the weakest chars to not only survive but be able to stay conscious/fight in each of these scenarios?

Scenario 1: Captain America throwing his shield as hard as possible at their head/weakpoint

Scenario 2: Killy from BLAME! shooting them

Scenario 3: Wolverine stabbing the being in their weakspot/head with all his might

Scenario 4: Pain from Naruto unleashing his ultimate attack

Scenario 5: Saitama putting everything he has into a punch

Scenario 6: All of the above at once