Honestly, I think it would be a great use of the tabs. If it's just in instances like the Kang/Immortus/Iron Lad thing, we would only have to worry about the appearance on a case-by-case basis, instead of hunting down every single instance where it might be a problem.

... Let's take a character like Kang. In Kang's past, he was the hero Iron Lad and was responsible for creating the Young Avengers. And he was later physically diverged ...

... substantive, but dependent upon another entity. M-Plate. Kang/Immortus/Iron Lad. The Venom Symbiote/Venom. Maybe take the tabs idea that was being toyed with, and instead ...

... his memory all messed up. Like, it's a part of him, and it is him, with Iron Lad, or whoever's brain patterns imprinted over everything else. But they sure aren't writing ...

... as a completely separate character from the previous Vision and Iron Lad and has even adopted a human alias for himself (Jonas)...I just can't remember if we ever ...

... with Simon Williams-brainwaves, and the second one, who apparently has Iron Lad's brainwaves. But, at the end of the Vision's history, there should be a link to the new ...

... with Simon Williams-brainwaves, and the second one, who apparently has Iron Lad's brainwaves. Victor Shade (Earth-616): Ultron (creator),Human Torch (source, sibling), ...

... inhabiting the armor worn by the future Kang/Immortus (that bastard), Iron Lad and he has the brain engrams of same. If ANYONE can make a family list out of that that ...

... Rama-Tut => Kang does become Rama-Tut => Immortus exists =><= The Iron Lad crap is just icing on the cake. Seriously. The Kang storyline is contradictory and confusing ...

... apparently did something that didn't happen to him, but did happen to Iron Lad. So while basically being the same character, there still appears to be some changes in ...

There's a separate page for Iron Lad, yet Kang and Immortus link to the same page. Supposedly, Iron Lad still grew up to become Kang, yet ...

... of, just in case. Nathaniel, having altered his armour to resemble Iron Man's, took on the name Iron Lad, and recruited three of these youths - Patriot, Asgardian and Hulkling. The press dubbed ...