Street Fighter comics are a bit overwhelming for me to jump into. There are so many across comics & manga that I'm confused by what fits where in the timeline.
It's actually not as overwhelming as you think. The Udon comics are the only ones that are canon to the games so you don't have to worry about the manga. The comics are in this order:
Street Fighter - Takes place after the first Street Fighter tournament and introduces the characters.
Street Fighter II - Prequel to the Street Fighter II tournament.
Street Fighter II Turbo - The Street Fighter II tournament.
Street Fighter IV - A tie-in book to Street Fighter IV. Introduces all the new characters in IV.
Super Street Fighter - Takes place after Street Fighter II turbo.
Street Fighter Legends: Chun-Li takes place before the first Street Fighter tournament so it's pretty self contained and honestly if you know just the basic stuff about Chun-Li and Street Fighter you should have no trouble reading them.