I'll play. Ideas below that range from simple to wild.
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Byrne Cyclops variant of current Cyclops PF
Black costumed variant of Storm PF
Perez Deathstroke variant of current Taskmaster PF
War Bird variant of Captain Marvel PF
Star Sapphire variant of Starfire PF
...and yes, I don't care if it's sold out. I still want a variant of it.