That suggests I'm probably Kronos.

 

The next user is trapped in a zombie apocolypse in a parallel universe.

I managed to actually prevent the zombie apocalypse from even starting, by detonating a nuclear bomb at the location where the first zombies were sighted, preventing them from spreading.

 

The next user was one of those zombies who got vaporized by the explosion.

Nearly before I died someone revived me (Plants vs zombies garden warfare)

 

The next user was strapped to that bomb

Da bom bwoke haha lol XD

 

The next user fell into a well, unable to swim.

The well was completely dry, due to the water table falling below the bottom of the well.

 

The next user is a small comet about to collide with the Sun.

 

Suddenly, Mercury's orbit makes me slingshot around into the Atlantic ocean.

The next user is trapped on Bárðarbunga while it's erupting.

When its erupting, it generates vibration which destroys thing holding me, and then i take world's smallest motorcycle from my pocket and drive to safety.

 

I throw Chuck Norris which throws Nokia at next user.

i take world's smallest motorcycle from my pocket and drive to safety.

 

I cut the next user into 6 pieces and eat one of them.

Fortunately for me, you are not a skilled people-cutter. You successfully hack five small chunks of flesh off of my body, eating one, before I can escape.

The next user is vaporized by a Dalek.

Daleks? Meet EMP. As a result, nothing happens as the Daleks are now destroyed.

 

The next user is an atom of radium about to undergo radioactive decay.