First off; Yes, I do realize It was clearly meant as a parody of the first film and not as an actual serious midquel. At the most it was to give a backstory for Timon and Pumbaa's friendship. And yes, I know that some jungle scenes between Timon, Pumbaa and Simba were written by the first film's creators but since we don't know which ones, I wouldn't regard them at all as canon.
And I'm 99% certain that they weren't any of those parenting scenes because they completely and utterly contradict their motto "Hakuna Matata" and from the first film it appears their relationship were bachelor...
Simba, Mufasa, Scar, Nala, Kiara, and all the other characters in the lion king have virtues to teach. They all have some sensible things or emotions to voice out... disseminate. Yes, it is given that Scar became a sort of a villain but we've got to check his background before we judge him.
Scar was originally named Taka and we will be discovering why later.
Mufasa and Taka always loved each other when they were young but their was one thing that broke their bond: the title of being king. Taka can never be a king because he was born second to Mufasa. Although he tried very hard...