New Stills from Dreamworks 'HTTYD 2' including new look at "Drago" and "Eret"

The 'How To Train Your Dragon ' official website is updated for a new time and it reveals this time some new stills from the upcoming Dreamworks Animation Studios 'HTTYD 2'.
 The new stills include new look at 'Drago' the villain, 'Eret' and other characters...Check them out :

Note: The final trailer for "How To Train Your Dragon 2" will be attached to Rio 2 next Friday!