Also: Yes, there was a fairly long-running Archie Comics TMNT series based on the 1987 cartoon incarnations.

For me, it's all about the Mirage ones, though.

Con exclusives
single figure: From a What If... Sorcerer Supremre Dr Doom
duo: Juggernaut and Black Tom
vehicle: Spider-Buggy. Super cheap cost like 40 points, instantly ko if occupying water terrain
Team base: Fantastic Four with a herbie and franklin richards figures
colossal: The Tri-Sentinel. A magical creation of Loki and the reason Spider-man got the Captain Universe powers.

Marvel Con Exclusives
High Father Ultron
Hawkeye and Hawkeye duo
Colapsar (shirking Nova from Avengers 20XX)

Collosal
World Tree Groot

DC Con Exclusives
Robin and Superboy duo
Black Lantern Elogated Man with Sue Dibney bystander
Parallax Flash

Collosal
Brother Eye

I'd LOVE a Tri-Sentinel! Great idea!