Ah, this one won’t be near as hard as trios☺️😅

Cable and Hope

Cage and Iron Fist

Stucky

Cloak and Dagger, Silk and Spectro (sometimes Silk and Spidey), Wonder Twins, Wiccan and Speed, MIB, Batman and Robin, Lola and Raferty.

Oh

Most of my favorites have already been mentioned, so let's go with

Kitty and Magik

Stockton and K. Malone