How do we determine the mutant's class?

Please, x-menobsessed26, can toi give me an example of mutant in the films for each categories of mutant power levels ( except the zeta one) ? It will help me even plus to understand :)

Omega level would be Jean Grey as Dark Phoenix. Alpha level would be people like Charles Xavier and Magneto (incredibly powerful and look "normal", but not at omega level destruction capabilities). Beta level would be Cyclops and Storm (Cyclops because he can't shut his power off and Storm because of her white hair as a "physical flaw"). Gamma Level would be like Rogue (though her power can't be turned off, she is NOT inherently powerful and is not qualified as beta. She gets her power level from others. As a base, she's rather weak). [This is where I feel like they may have missed a chance at a category, with mutants of average power but no physical flaws/drawbacks, like Kitty Pryde, Iceman, and Pyro]. Delta level would be people like Colossus. [I feel like they may have missed one here as well where the mutation is on a physical level, but doesn't cause harm, like Beast. Otherwise, I feel like they did a poor job of explaining Epsilon]. Epsilon level would be, I assume from their terrible descriptions, like Toad ou Blob (whose mutations make it difficult to live a "normal human" life. Also, taking these comic descriptions and puting them on the films is difficult to say the least. The films can't get into much description of what these mutants can do with their powers, only montrer you, so toi don't really know what they're capable of in the films (i.e. Iceman in the films is shown as rather weak, but in the comics is an Omega level mutant). Also, many of the physically altering mutations are difficult to do because of special effects, expensive prostetics, and the tendancy to make what toi see on screen "pretty" and "appealing".

Thank toi very much for all this explanation! And for your opinions, too. ;)

You're very welcome.