One of the biggest mysteries from "Agents of S.H.I.E.L.D.'s" first season remained unresolved as that batch of episodes concluded and Season Two began. That mystery? What was up with that big, blue guy that Coulson found in a tube at the end of the episode titled "T.A.H.I.T.I."? Seriously, "S.H.I.E.L.D.," you don't just throw mangled blue guys in tubes at an audience and not answer that question! Plenty of fans have speculated that the mystery creature was actually a dead member of the Kree, a theory supported by the alien race's appearance in this past summer's "Guardians of the Galaxy." And, just like the tube guy, lead Kree crusader Ronan was also blue.

"S.H.I.E.L.D." Season Two has contained plenty of talk of aliens and plenty of hints that we're about to meet some Inhumans, but we have yet to get closure on the blue tube guy. Thankfully, producer Jeffrey Bell firmly stated earlier this week that the creature was, in fact, a Kree.

CONFIRMED: "Marvel's Agents of SHIELD" Alien is a Kree

"Our people don't know anything about the Kree or that there's a planet full of them," said Bell. "What they do know is that the strange carvings created by Coulson after he was injected with the Kree serum are actually the map of a city, and they need to find that city before Hydra does. But where is it? Here or on another planet?" So now that we know we are definitely dealing with the Kree, we've come up with five members of the alien race that we want to see on the show.

Ko-Rel If "S.H.I.E.L.D." is up for including one major part of "Guardians of the Galaxy" -- the Kree -- in their overarching plot, then they might be up for adding a member of the Nova Corps as well. After all, if Earth's law enforcement team is getting mixed up with aliens, they might need help from the galaxy's law enforcement team. Ko-Rel, a Kree who is also a member of the Nova Corps, seems like a perfect fit for the show if their sights are set on the stars. She was a captain in the Kree military before becoming a space cop in the wake of the destructive Annihilation Wave. Like other season two additions Alphonso Mackenzie and Lance Hunter, Ko-Rel only has a couple of comics to her name. The show would be able to run wild with her, making her feel like an original creation while also pulling from the source material.

Noh-VarrUnlike Ko-Rel, comic book fans know and love Noh-Varr. Grant Morrison created this radical Kree soldier and put him to work as a destructive agent aligned against the Earth. After trading blows with heroes and serving a sentence in super-jail, Noh-Varr changed his attitude and became an Avenger and, later, a Young Avenger. Noh-Varr's stint in "Young Avengers" last year left an impression with fans, mainly because artist Jamie McKelvie loved drawing him as if sex appeal was his primary super power (it may be, actually). If any mischievous Kree soldier is going to crash land on Earth and start causing a ruckus on "S.H.I.E.L.D.," it should be Noh-Varr -- and it goes without saying that the showrunners should make sure the actor looks good in short shorts.

Supreme IntelligenceIf you're going to introduce the Kree, then you have to introduce their leader. Described as an organic computer, the Supreme Intelligence is an artificially created giant head created millions of years ago and possessed of the knowledge of the greatest Krees to ever live. The Supreme Intelligence has been a major part of the Kree's comic book presence ever since their debut back in 1967; you can't talk about the blue-skinned guys without talking about their big, green, tentacle-covered master. If Coulson's crew is about to establish contact with the Kree on Earth's behalf, it would make sense for them to deal with the Supreme Intelligence. After all, blue tube guy is said to be thousands of years old; surely ol' S.I. wants to know what's transpired with his agents and mysterious city over the past millennia.

Yon-Rogg/MagnitronBetween the ancient Kree corpse and the mysterious hidden city, it sure looks like "S.H.I.E.L.D." is doing all the heavy lifting required to set up the upcoming "Inhumans" feature film. There's another feature film that the show could set up: "Captain Marvel." In the comics, Carol Danvers got her powers after getting caught in the crossfire between the Kree hero Mar-Vell and the Kree villain Yon-Rogg. The show could introduce Yon-Rogg as another deranged Kree zealot, kind of like a small screen Ronan the Accuser, and start setting the stage for Danvers' eventual origin story. Who knows how Marvel will handle Cap's origin -- will it form her solo film, just be shown in flashbacks or not shown at all? Will Mar-Vell be involved at all, or will they make Danvers an Inhuman? There are a lot of questions, but introducing Yon-Rogg couldn't hurt.

Phyla-VellThere's another Captain Marvel ready for the live-action treatment, and that's the genetically engineered Kree Phyla-Vell. She only went by the Marvel moniker for a short period of time (she's better known as Quasar or, more recently, Martyr) but she's every bit as powerful as that iconic name implies. Like Carol Danvers, she's super strong, fires energy blasts and possesses the power of flight. Unlike Carol, Phyla also has also wielded the Quantum Bands, which manipulate energy and create force fields, and the Quantum Sword, which is a big-ass sword. Fans have taken to Adrianne Palicki's addition to the cast as bona fide Marvel hero Mockingbird, so it stands to reason that they'd love to see the Kree warrior Phyla-Vell play a similar role in upcoming seasons. And, as one of Marvel's most prominent lesbian characters, "S.H.I.E.L.D." could finally introduce the MCU's first LGBT hero.