7 star Arnim Zola synergy with his 6 star variant

Why does 7 star Arnim Zola not have a synergy with his 6 star version if he is #Hydra?

Comments

Champs never have a Synergy with themselves, unless you count MODOK.

Champs never have a Synergy with themselves, unless you count MODOK.

And Zemo

Champs never have a Synergy with themselves, unless you count MODOK.
And Zemo

Didn't know that. Thanks.

Champs never have a Synergy with themselves, unless you count MODOK.
And Zemo
Didn't know that. Thanks.

And Mister Fantastic

no love for Vox???