Debunking time! This is actually a rumor. Deadpool didn’t kill the entire Marvel Universe any more than Superman turned evil, or Batman killed
The storyline where Deadpool infamously killed the Marvel Universe occurred outside of main comics canon. It was just a fun
In fact, it technically wasn’t even fully that… “Deadpool Kills the Marvel Universe” was really just another cash grab, to capitalize on the success of the storyline “Punisher Kills the Marvel Universe” (nobody ever talks about this story anymore, though).
“Deadpool Kills the Marvel Universe” is an interesting read, I suppose— especially if you like Deadpool. The story consists of Deadpool being driven insane by