Panel 1: “Maj”? Presumably sounding like “mage”? Not the best nickname one might hope for.
Panel 3: Ehh, might’ve worked better to show a previous image of the darkened warehouse exterior before it lit up so brightly, here. Oh, well.
Panel 4: And let the mayhem commence, folks! (Note the use of the overlapping Os in the WHROOM sound FX, which is a fun lettering flourish I rarely use nowadays, for reasons unclear to me.)
-Adam Warren