X-Men Arcade Remake is a beat ’em up that blends characters from various previous X-Men titles while preserving the iconic look of the original — a hallmark of the Brazilian developer. It’s a free and unofficial recreation of Konami’s X-Men (1992).
Marvel Infinity War is a free fan beat ’em up style fighting game that features nothing less than 90 Marvel characters and game modes that are remakes of classic titles.
Street Fighter Z is a free and cool fangame that is basically Street Fighter with 16 bits classic sprites, with revamped colors. and the Marvel vs. Capcom combo system. Street Fighter as is used and should continue to be.