destruction of  Coast City  and becomes Parallax and destroys the  Green Lantern Corps  and kills all the guardians except  Ganthet .  Kyle Rayner  becomes the  Green Lantern  during this event. Worlds Collide 1994 The DC superheroes meet their  Milestone Comics  counterparts. Zero Hour 1994 Extant  and  Parallax  attempt to recreate the Multiverse;