See The Hornet issues 538, 539, 546, 548 and 612.
Writer:- The Hornet editorial team. Artist:- Ripol.
Main cast:- 'G', a top secret agent for Her Majesty's Secret Intelligence Service.
Time period:- late 19th, early 20th century?
'G' is our man in the Far East, operating in Sri Lanka (formally Ceylon), Southern China, India, Tibet and Myanmar (formally Burma). Working to keep the peace. This short series (but are there other episodes waiting to be discovered), is unusual in that the reader joins the action halfway through the story. It's also not always clear which character 'G' is at the beginning of the adventure.
Below are the complete adventures of 'G' (as far as I am aware) and are from issues 538, 539, 546, 548 and 612 respectively.