Daredevil/Ninja turtles : Hand vs Foot clan. Splinter vs Stick. Matt and turtles discover they got their powers in the same accident...

Punisher vs Predator. Written by Garth Ennis. Frank and Pred get into it while stalking cartels in south America ends up similar to the 90's Survival story line with Frank living and fighting like an animal to survive...

Others?