.cbr (Comic Book Archive). This is essentially a renamed .rar file containing sequential images.
You can change the file extension from .cbr to .rar and extract it to view the individual .jpg or .png files in any image viewer. [MundoTokusatsu] Mighty Morphin #05.cbr
The identity of the mysterious new Green Ranger continues to be a central mystery for both the Rangers and Zordon. [MundoTokusatsu] Mighty Morphin #05.cbr