Sorry hhhhr, I was just kidding.
There are loads of possibilities... Imagine some death eaters waiting for James in let's say the changing room. He has been practicing Quidditch and enters...alone. Now he encounters Voldy's supporters. First they try to persuade him, but naturally it doesn't work out. Then they threaten to kill Lily and/or Harry. James- a "Siriusly" rash, somewhat conceited, but extremely talented wizard- throws the Quaffle he has been holding at one of them. It hits him hard in the face. During the diversion he gets out his wand, disarms the second, petrifies the third and is almost killed by the fourth who has been hiding and wanted to attack James from behind, when Sirius comes in and stuns him. The two send the death eaters back to Voldy with a cynical and kind of funnily offensive rejection. The death eaters disapparate, Sirius and James go home to Lily and Harry and put some charms on the house (just in case).
Want to hear another possibility? With Lily in it? I can make one up...
ok the question that strikes me is that voldy never wanted to kill Lily. we don't know why but he said it himself in the first book that she didn't have to die she could have stopped him by turning in harry. he said "I killed you father first, and he put up a courageous fight... but your mother needn't have died ... she was protecting you...."
well i mean james was protecting harry as well but i think even if he hadn't fought voldy. he would have been killed anyways.
Yeah, I know the theories about them being related. But they could still threaten James with doing harm to her. Or maybe he didn't even know about it... I also thought that Voldy might not have considered Lily to be as dangerous to him as her husband since she was never quite as "outgoing" as James.
anyway...
you're right eyeadore, the prophecy was the reason why Voldy was after Harry.
And punkyhermy, I agree. That's why I thought that he probably didn't think Lily was a threat to him, at least not so much as James.
I can imagine a lot of reasons why Voldy would want James out of the way...but what was the topic of this thread again?