```md
<!-- MyComponent.stories.mdx -->

import { Meta, Story } from '@storybook/addon-docs';

import { MyComponent } from './MyComponent.component';

<Meta title="MyComponent" component={MyComponent} />

export const getCaptionForLocale = (locale) => {
  switch(locale) {
    case 'es': return 'Hola!';
    case 'fr': return 'Bonjour!';
    case 'kr': return '안녕하세요!';
    case 'zh': return '你好!';
    default:
      return 'Hello!';
  }
};

<Story 
  name="StoryWithLocale" 
  render={(args, { globals: { locale } }) => {
    const caption = getCaptionForLocale(locale);
    return {
      template: `<p>${caption}</p>`,
    };
  }} />
```