Someone looks to have left a portal open as a Hulk-sized load of concept MCU art has appeared online, giving us a glimpse into not only Avengers: Doomsday but also potentially some MCU shows as well.

Thor is fighting a member of the Thunderbolts* cast in MCU fan art, and now I need to see this ... Check it out below: How cool? While Marvel fans are obsessed with why Thor was shown crying ...