A lot of the best ones have been mentioned so to not be redundant:
>Final Vendetta
>Panzer Bandit
>Urban Reign
>Dawn of the Monsters
>Spikeout & Slashout
>Mad Stalker: Full Metal Forth (X68000 or PS1 remake)
>Way of the Passive Fist
>Double Dragon Advance
>The Making of Karateka's remake of the original Karateka (it also has a ton of dev builds and ports of it playable too)
>Tekken Force mode in Tekken 3 & 4
Getting into general 2D Action would add a lot of great games like Magenta Horizon, Viewtiful Joe, Aces Wild, Aztez, etc.

>>716116686
FF1 gets a lot of the little things so right that it established a baseline for combat design that stuck for decades. It's also insanely fucking hard to beat in a reasonable amount of credits let alone 1CC so it's hard to notice all the good design when you're getting your ass handed to you. I prefer FF3 personally, and even Mighty FF for some of its original ideas (and being an actually reasonable 1CC).

>>716122194
Jitsu Squad has tag stuff but it's also very clearly MvC-inspired just without having the actual license there. Beyond that the only one I can think of is the Rage Relay mode in the 3DS remaster of SoR2 where you swap characters each life.