How to save Call of Duty 5 from crapness

Rumour has it that the next game in the awesome Call of Duty series will be taking a step backwards, returning to the over-used World War II setting after its glorious foray into contemporary conflict with the 10/10-rated Call of Duty 4: Modern Warfare. It seems an illogical step, but when you consider that CoD3's developer Treyarch is back in the saddle as opposed to Infinity Ward, and that a Pacific location has been hinted at, it all starts to sound more and more likely.