India, July 21 -- Disney has released the trailer for directors Joe Russo and Anthony Russo's Avengers: Doomsday, set to hit theaters December 18. The trailer teases the arrival of Robert Downey Jr.'s Doctor Doom, one of the most formidable villains in the MCU, as per Deadline.

Tom Holland's Spider-Man is not officially in the cast, so there is no confirmation for now. Instead, his web-slinging story continues in his own film, Spider-Man: Brand New Day, which is set before Doomsday on July 31, in theaters in United States. Holland returns to headline Spider-Man: Brand New Day, the fourth installment in Sony/Marvel Studios' Spidey franchise, which is expected to take on a more mature, street-level tone.

The biggest reason as to why Spide...