[quote=@Eddie Brock]
<Snipped quote by Sep>

Well, they're separate universes so it's gonna be a one-time crossover between their Earths.

[/quote]

And thus why it is happening makes sense.

[quote=@Divine Darkness]
<Snipped quote by Sep>

But then you'll miss Red Tornado, Martian Manhunter and Indigo....
[/quote]

As a non-dc guy I only know who one of those is.