Fan Casting MARVEL VS DC [Read Synopsis]

[ORIGINAL PLOT BY ME JAKE.P] Batman is in the Bat-Cave decoding a gem when it explodes a turns into a gas that leaves the cave. Elsewher on another Earth, Tony Stark is tinkering with a gem which explodes and turns to gas and leaves his lab. They soon discovers that their worlds have merged into one. The Avengers, The X-Men, The Fantastic Four and more will face off the Justice League, The Titans, The Doom Patrol, The Justice Society and more as they will face off in This EPIC CONCLUSION THAT WILL END ALL SUPERHERO FRANCHISES AS WE KNOW IT! THE ULTIMATE SHOWDOWN.... [ADD WHO U WANT]