Barack Obama has a flier out in Kentucky that addresses his faith and his attempts to fulfill "God's will" -- and it could be a sign that the Illinois senator is returning to his religious roots as he gears up for a general election battle.

Kentucky holds its Democratic primary Tuesday, but Obama is down so far in the polls there that he already expects a repeat of his blowout loss to Hillary Clinton this week in West Virginia.

Rather, Obama, the clear Democratic front-runner, is turning his campaign toward November, and some say his latest flier is an appeal to moderate evangelical voters he hopes to take from John McCain.

"They believe they can compete with McCain and the Republicans on the faith vote," said David Brody, a senior correspondent with the Christian Broadcasting Network, the channel launched by televangelist Pat Robertson.

"McCain doesn't want to talk about his faith all that much," he told FOXNews.com. "Barack Obama is comfortable talking about that. ... He's speaking evangelical talk, so to speak, and that resonates."

Obama's Kentucky flier shows Obama at the pulpit with a giant cross in the background. Its text reads "Faith. Hope. Change."

"My faith teaches me that I can sit in church and pray all I want," it says. "But I won't be fulfilling God's will unless I go out and do the Lord's work."

The Obama campaign downplayed the religious flier, noting similar pamphlets were circulated in other primary states.

Indeed, Obama is not squeamish talking about religion and God. Obama has held faith forums and created a grassroots network of "congregations contacts" -- his willingness to talk about faith is one of the things that sets him apart from other Democrats operating on the national stage.

But the controversy over his former pastor, Rev. Jeremiah Wright -- whose anti-American sermons almost derailed Obama's campaign in March -- have threatened to drown out Obama's religious message.

Now that Obama has practically disowned Wright and seems to be quickly approaching the number of delegates needed to clinch the nomination, religion again could become a key part of his campaign.

Brody said Obama, who supports abortion rights and was endorsed Wednesday by NARAL Pro-Choice America, is not going after old-guard evangelicals. Rather, Brody believes Obama will try to appeal to younger, more moderate evangelicals, who aren't just voting on the issues of abortion or same-sex marriage. (Obama's campaign put out a statement Thursday saying he "respects" the California Supreme Court decision to overturn the state's ban on gay marriage.)

Obama's Web site addresses religious issues broadly, without highlighting specific beliefs, and it devotes a whole page to "Barack Obama on Faith."

McCain does not have a "faith" page, but he dedicates one to "human dignity" issues -- like overturning Roe v. Wade, "protecting marriage" and shielding children from Internet pornography.

Edward Jennings, political science professor and director of the public policy school at the University of Kentucky, said Obama's probably trying to answer the controversy about his religious affiliations in time for the start of a general election campaign.

"Why Kentucky? Polls show him way behind in the state, but he is aiming ahead at the general election," he told FOXNews.com.

Jennings said he could be courting evangelicals, but at the very least he's continuing to fight the false rumors that he is Muslim and the furor over Wright.

"I think he's trying to target probably a moveable audience," he said. "I would expect we will see this in areas where he and his campaign think this could make a difference. I don't think you'll see this showing up in New York City or San Francisco."

Recent exit polls show some promising signs for Obama when it comes to religious voters. Though he lost the Indiana primary May 6 to Clinton by a hair, he was leading his Democratic rival 55-to-45 percent among voters who attend religious services more than once a week. He led that group by 20 percentage points in the North Carolina primary, which he won.

He lost that group in the West Virginia primary but also lost practically every other group.

If pursued, the religious outreach could insure against McCain's perceived ability to attract moderate Democrats and independents in the fall.

Of course, there's risk of a backlash for taking this tack -- either from Democrats who say religion has no place in his campaign or from Republicans all too eager to revisit his affiliations with the Trinity United Church of Christ in Chicago, where Wright was pastor.

Former GOP presidential candidate Mike Huckabee, a pastor himself, took some criticism for wishing voters "Merry Christmas" in a December ad last year while sitting in front of what appeared to be a white cross.

Huckabee said it was just a bookshelf and defended the ad against what he called misguided political correctness.

Click here to see the Obama flier and read Brody's blog.

FOX News' Judson Berger and Bonney Kapp and The Associated Press contributed to this report.