'Supergirl': The Internet Reacts to Brainiac 5

The Legion of Super-Heroes assembled on tonight's midseason premiere of Supergirl - and one team member has sparked quite a reaction.

Spoilers for tonight's episode of Supergirl, "Legion of Super-Heroes", below!

Tonight's episode saw the arrival of Querl Dox/Brainiac 5 (Jesse Rath), who was tasked with helping rescue Kara Danvers/Supergirl (Melissa Benoist) from her coma. The appearance of Brainy, alongside his fellow Legion teammates, was anticipated by Supergirl fans for quite some time. And judging by the response online, the reaction has been all over the map.

Those who weren't familiar with the earlier looks at Brainy - and the sort of backlash surrounding his makeup - voiced their opinions accordingly. Other fans were pretty excited about Brainy's role in the episode, and at the chemistry he seems to have with Kara.

Here's a round-up of some of the reactions to Supergirl's Brainiac 5.