Complex sentence: As an added inducement, for the first time the publisher obtained a licence to include the popular villains the Daleks in the strip: hence the first re-launch issue had a colour cover featuring the Third Doctor and the Daleks.
Split into simpler sentences: As an added inducement, for the first time the publisher obtained a licence to include popular villains the Daleks in the strip. Hence the first re-launch issue had a colour cover featuring the Third Doctor and the Daleks.