Pascal's Wager is bunk.
Let's say that christianity is wrong, and Random Religion A is right.
Now then, the god of RRA might not have a problem with atheists, and he'll send them to an eternity of a foot being asleep, but Christians, he HATES christians, so he sends them to an eternity of Brimstone and Fire.
Pascal's wager takes all of theology and attempts to roll it into four lines, which you can't do