The Sentinels are a fictional variety of mutant-hunting robots, appearing in the Marvel Comics Universe. They are usually portrayed as antagonists to the X-Men. Created by Stan Lee and Jack Kirby, they first appeared in The X-Men, (vol. 1) #14 in November 1965.
Sentinel first fighting game appearence started in X-Men, Children of the Atoms, and he continues to appear along Marvel vs Capcom 2 and Marvel vs Capcom 3 and over. Template:-
This mutant-hunting robot operates on a healthy fusion of its appearances in X-Men: Children of the Atom and Marvel vs. Capcom 2 with tons of fancy effects.