India, April 4 -- Earlier this week, at the annual CinemaCon convention and trade show in Las Vegas, DC Studios co-chief James Gunn unveiled a sneak peek at the upcoming Superman reboot. The near-five-minute footage showed David Corenswet's Superman injured with his trusty pet - Krypoto - helping him. It also gave the first glimpse at the Fortress of Solitude, Superman's famous lair of ice in the comics. (Also read: Superman teaser trailer: James Gunn colour-corrects the DC Universe, David Corenswet takes first flight. Watch)

The footage was officially shared by DC on their official channels on Thursday as an extended preview. The footage opens with an injured and bloodied Superman lying on ice. Krypto frolics around him, even tugging hi...