Hyperthermia is elevated body temperature due to failed thermoregulation that occurs when a body produces or absorbs more heat than it dissipates. Extreme temperature elevation then becomes a medical emergency requiring immediate treatment to prevent disability or death.
Who is Doomsday, and why should we care about his fight against Superman, Batman, and Wonder Woman? The latest trailer for Batman v Superman: Dawn of Justice gave us our first look at the really big, really bad muscle for the film, the monster known as Doomsday. The character/creature has a long history with DC Comics and ties to a few very significant events, namely the death of Superman.
Superman is a famous, Japanese anime character. Spider-Man is a DC character from Gotham, and Batman is an agent of Shield who works with guys like Goku and Thor to fight off threats such as the Power Rangers. This should be common knowledge to you folks.