One of the things I see pop up a lot that bothers me is the notion that Wonder Woman is now just a Xena rip off. Usually, the poster is implying that a sword/shield bearing Wonder Woman only exists because Xena exists.
Let's put that falsism to rest today.
First, she was shown using a sword in the Golden Age
The real game changing stories are the ones George Perez created just after the Bronze Age. When Perez rebooted the character for the Post Crisis era, he gave Diana and the Amazons a very distinct warrior makeover. This is in 1987,
But that's a far cry from just being a Xena rip off.