He's not even a guest character, though. FF and SF merged ages ago.
He should be in before Zangief. His MvC appearance should not be enough. We need him in a true SF game.
I know, but Final Fight's still it's own series. I know their continuities share a world, but the FF characters still
feel like guest characters as a result. Haggar in particular has always just been a cameo in the Street Fighter games, so it's a bigger deal than, say, bringing back Cody.
Also, I just had a really cool idea for the first set of DLC. In it, I'm thinking we'll still see Urien and Alex at launch (They may not be entirely expected, but that might just be PR spew. And they're definitely classics), but 2 months after the game releases, we'll start to see DLC, with the first pack giving us an SFIV vet from each mainline game. We'd see Sagat in May, Akuma in June, Dudley in July, and Juri in August. Plus, somewhere in there, we'd get Mike Haggar. I dunno; these are 4 wildly popular characters that the game'll be lacking at launch, plus a fan-requested character who comes from the series Street Fighter was originally a spin-off of. Plus, unlike guys such as Eagle or Necro, they were in SFIV. The 2 games play differently, but at the very least, they have an easy reference point for each of them, so they might not take as long.
And I know I'm late for it, but I didn't post about it sooner. All this Eagle support, man... I honestly thought I was the only one who wanted him back in SFV! Though sadly, I do agree with the counterpoints, too (He was in 3 obscure games, and his personality is too similar to the more-likely/superior Dudley). He's unlikely, but I'm going to keep on pushing for him!