UMvC3: Sentinel BnBs with transcript by ConMystro (Video)
Sentinel has been a popular choice amongst the Marvel and Capcom vs. series since the second game. Inside you'll find BnBs for the character in Ultimate Marvel vs. Capcom 3.
Diving into the basics of Ultimate Marvel vs. Capcom 3 is ConMystro. Here he gives beginners some tips on how to use Sentinel. Combo transcripts are included in the video.