Idris Elba's Knuckles is not messing around  in the trailer

HEEE'S BAAACK! Jim Carey's Doctor Robotnik was fantastic in the first movie, they had to bring him back

James Marsden and Tika Sumpter reprise their roles from the first film as Sonic's guardians. Joined by Natasha Rothwell and Shemar Moore (below)

Sonic and Tails are old friends in the video game but this movie will show us the origins of that friendship