Too real to be fake (слэш)

‘’Okay, but who you really are? Is this a reality show or something?’’
‘’I don’t really know what’s a reality show, but I’ve told you already more than once. I’m a genie. G-E-N-I-E. You, yes, you, have three wishes. This is the simplest way I can explain it.’’
‘’Okay, but who you really are?’’, repeats Tony.
‘’You’re really lucky I’m not allowed to hurt mortals,’’ replies Loki through gritted teeth. ‘’Very, very lucky, cause else…’’
An AU, where Tony is his usual self and Loki is a genie who isn't exactly happy with his job.