Marvel is releasing six brand-new What If comic books in October 2018, each focusing on different characters and realities.
The books will feature Spider-Man, Magik, Ghost Rider, Thor, the X-Men, and the Punisher, with few details being revealed on what will happen in each What If story.
Some things we do know is that Peter Parker becomes the Punisher and has to battle against villains like the Green Goblin, Asgard becomes covered in ice leaving Thor to attack while being out of his element, and Spider-Man gets his humble attitude taken away as the Flash takes him over and throws his egotistical nature into the character.
Source: IGN.com Marvel to Release New What If Comic Books This Fall